Los Alamos Technical Reports This file lists the Los Alamos Technical Reports numbered LAMS-1 through LAMS-999 in the Los Alamos Library online catalog. The text of many of these reports are available online. Access the Los Alamos Library catalog by telnetting to "library.lanl.gov" without the quotes. Compiled by Gregory Walker, gwalker@netcom.com. For more information on nuclear weapons, visit Trinity Atomic Web Site at http://www.envirolink.org/issues/nuketesting/ LAMS- Beta-gamma radioactivity in environmental air at Los Alamos, New Mexico for LAMS-1 A discussion of the fission neutron spectrum LAMS-2 Cross section for the reaction 20(230, 240)10 LAMS-3 Ordnance engineering program LAMS-4 Progress report number one of the Experimental Physics Division of the Los Alamos Project LAMS-5 Progress report number two of the Experimental Physics division of the Los Alamos Project LAMS-7 Progress report number three of the Experimental Physics division of the Los Alamos Project LAMS-8 Absolute measurement of [gamma][sub 25] with long counter LAMS-9 Progress report number four of the Experimental Physics division of the Los Alamos Project LAMS-11 The cross section for reaction 20(30,240)n LAMS-12 Progress report number five of the Experimental Physics division of the Los Alamos Project LAMS-13 Experiments on scattering of fast neutrons in tamper materials LAMS-15 Metallographic examination of an imploded steel tube LAMS-16 Metallographic examination of an imploded steel tube LAMS-17 Material limitations for water boiler LAMS-18 Critical mass of U[sup 235] in water solution with water reflector LAMS-19 Tension and compression tests of pure bismuth LAMS-20 Progress report number six of the Experimental Physics division of the Los Alamos Project LAMS-21 Progress report number seven of the Experimental Physics division of the Los Alamos Project LAMS-22 Report on an investigation of the behavior of argon-hydrogen mixture and isobutane in a spherical chamber LAMS-23 Health report LAMS-24 Memorandum from A. G. Graves LAMS-25 Progress report number eight of the Experimental Physics division of the Los Alamos Project LAMS-26 Report of a meeting on scattering experiments LAMS-27 Calculation of permissable quantities of various materials in BeO tamper LAMS-28 Progress report number nine of the Experimental Physics division of the Los Alamos Project LAMS-29 Preparation of boron by reduction of BCl[sub 3] with H[sub 2] : monthly report for November, 1943 LAMS-30 Physical properties of uranyl sulfate solutions LAMS-31 Separation of Bi from PbO[sub 2] residue LAMS-32 Health report, 1943 LAMS-33 Progress report number ten of the Experimental Physics division of the Los Alamos Project LAMS-34 Progress report number eleven of the Experimental division of the Los Alamos Project LAMS-35 Production of uranium hydride compacts : monthly report for December 15, 1943 LAMS-36 Statistics of the hypocritical gadget LAMS-37 A note on the soldering of tuballoy LAMS-38 Proposed measurement of the neutron-helium scattering cross-section and angular distribution between .6 and 2.5 Mev LAMS-39 Sensitivity of proton-recoil ionization chambers LAMS-40 Remarks on nuclear fission LAMS-41 Hot wire reduction of metals : summary of literature LAMS-42 Production of uranium hydride compacts : monthly report for January 15, 1944 LAMS-43 The dome above a depth charge in water LAMS-44 Minutes of the meeetings of the committee on biological effects of the gadget LAMS-46 Health report LAMS-48 Progress report number twelve of the Experimental physics division of the Los Alamos Project LAMS-49 Minutes of the meeting of the committee on biological effects of the gadget LAMS-50 Progress report number thirteen of the Experiment- al Physics division of the Los Alamos Project LAMS-51 Condensation of British damage reports LAMS-53 Progress report number fourteen of the Experiment- al Physics division of the Los Alamos Project LAMS-54 Progress report number fifteen of the Experimental Physics division of the Los Alamos Project LAMS-55 Comparison of data on the scattering cross sections of carbon and hydrogen LAMS-56 Preliminary evaluation of scattering experiments LAMS-57 Production of uranium hydride compacts : monthly progress report for February 15, 1944 LAMS-58 Progress report number sixteen of the Experimental Physics division of the Los Alamos Project LAMS-60 Photographic observation of collapsing cylinders : progress report of February 7, 1944 LAMS-62 Remarks on the fission-capture ratio of 25 LAMS-63 Report of committee on the question of neutrons accompanying alpha decay LAMS-65 Conferences with Dr. Inghram and Dr. Nier LAMS-66 Flat response neutron detector LAMS-69 Production of uranium hydride, uranium nitride and plastic-bonded uranium hydride compacts : Monthly progress report for March 15, 1944 LAMS-72 Monthly progress report of the Chemistry and Metallurgy Division LAMS-75 Progress report number seventeen of the Experimental Physics division of the Los Alamos Project LAMS-76 On the heating of the confining sphere LAMS-78 Progress report number eighteen of the Experiment- al Physics division of the Los Alamos Project LAMS-79 Health safety report : Chemical and Metallurgical division LAMS-80 Report of the Ordnance Division : status as of April 15, 1944 LAMS-81 Health report LAMS-82 [Memorandum from A. C. Graves, subject sources] LAMS-86 Monthly progress report of the Chemistry and Metallurgy Division LAMS-87 Health safety report : Chemical and Metallurgical division LAMS-88 Terminal observations program, progress report to April 15, 1944 LAMS-89 Preliminary report on the dust contamination problem in Building D LAMS-90 Special report presented at May meeting with C. A. Thomas on final purification and metallurgy of 49 LAMS-91 Investigation of plutonium hydride LAMS-93 Progress report number nineteen of the Experiment- al Physics division of the Los Alamos Project LAMS-95 Progress report number twenty of the Experimental Physics division of the Los Alamos Project LAMS-96 Progress report number twenty-one of the Experimental Physics division of the Los Alamos Project LAMS-97 Monthly progress report of the Chemistry and Metallurgy Division LAMS-98 Electromagnetic observation of implosion as affected by the H.E. product gas LAMS-99 Health safety report, Chemical and Metallurical division LAMS-100 The electrolytic preparation of thin films of plutonium oxide : preliminary LAMS-101 Special report presented at June meeting with C. A. Thomas on final purification and metallugy of 49 LAMS-103 Health report LAMS-104 [Notation for various neutron cross-sections] LAMS-107 Minutes of meeting held in Oppenheimer's office Wednesday, June 28, 1944, for the purpose of discussing the feasibility of use of the betatron for a study of the implosion process LAMS-108 Health safety report : Chemical and Metallurgical division LAMS-111 Progress report number twenty-two of the Experimental Physics division of the Los Alamos Project LAMS-112 Special report presented at July meeting with C. A. Thomas on final purification and metallurgy of 49 LAMS-113 Summary of meeting of Project Y technical board on July 13, 1944 LAMS-114 Progress report number twenty-three of the Experiment Physics division of the Los Alamos Project LAMS-117 Progress report number twenty-four of the Experimental Physics division of the Los Alamos Project LAMS-119 Health safety report : Chemical and Metallurgical division LAMS-121 Neutron emission by polonium oxide layers LAMS-126 Health report LAMS-128 [Memorandum from J. Von Neumann on surface water waves excited by an underwater explosion] LAMS-129 Health safety report : Chemical and Metallurgical division LAMS-130 An integral experiment to determine the critical mass with small amounts of material LAMS-131 94[sup 240] and its spontaneous fission LAMS-132 Minutes of meeting on betatron experiment of September 7, 1944 LAMS-135 Progress report number one of the Research division of the Los Alamos Project LAMS-136 Conventions in expressing isotopic composition of uranium samples, average atomic weights LAMS-141 Light element contamination in Building D : summary report LAMS-142 Energy of the hard gamma rays of La[sup 140] LAMS-143 Health safety report : Chemical and Metallurgical division LAMS-144 Critical masses of tamped hollow spherical shells LAMS-146 Monthly progress report of the Chemistry and Metallurgy Division LAMS-151 Progress report number two of the Research division of the Los Alamos Project LAMS-153 Construction of a hand-contamination counter and radiation monitor LAMS-154 Preliminary report on multiplication by spheres of [beta]-stage material LAMS-155 Monthly progress report of the Chemistry and Metallurgy Division LAMS-161 Safety circuit with dc amplifier LAMS-162 Tables for conversion of atomic, weight, and volume percentages in alloys of heavy metals LAMS-163 Progress report number three of the Research division of the Los Alamos Project LAMS-165 Progress report on optical observations LAMS-166 Translation of Gmelins Handbook of Inorganic Chemistry (8th Edition). system-number 55, uranium and isotopes LAMS-167 Solubility of argon in tuballoy LAMS-173 On the possibility of formation of a nuclear uranium lattice at very high temperatures LAMS-176-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-180 (P,N) reactions in deuterium, scandium and vanadium LAMS-188 [Memorandum from R. E. Peierls on detonation rate for plane and expanding waves, dated January 5, 1945] LAMS-189 [Memorandum from W. C. Higinbotham on the possibility of initiating an implosion with a photo sensitive detonation gas, dated December 29, 1944] LAMS-190 Monthly progress report of the Chemistry and Metallurgy Division LAMS-195 Mass-spectrographic studies of irradiated [beta]-stage materials LAMS-197 Damage to lengths of primacord produced by detonation of near-by lengths LAMS-200 Performance of British bombs LAMS-202 Explosives LAMS-203 Neutron emission from radioactive gaseous mixtures LAMS-205 Gamma rays from Po and measurement of Po in gamma rays LAMS-211-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-212 [Memorandum from D. P. Mitchell on monthly inventory of 'X' metal, dated 6 October 1944]. [Memorandum from D. P. Mitchell on monthly inventory of 'X' metal, dated 23 Sept. 1944]. [Memorandum from D. P. Mitchell on special instructions for handling 'X' metal scrap, dated 25 October 1944] LAMS-213 Information on the possibilities of pile-produced Sb[sup 124] as a photoneutron source in combination with beryllium LAMS-217-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-222 Progress report number seven of the Research division of the Los Alamos Project LAMS-224 Mechanical methods of packing TNT LAMS-226 Ground shock resulting from detonations on or above the surface LAMS-227 Multiplication by small spheres of active material LAMS-230 Multiplication of large 25 spheres LAMS-234-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-239 Notes on discussions about polonium, Dayton, Ohio - April 11 to 14, 1945 LAMS-241 Study of emulsions for photographing oscilloscope screens LAMS-242 Boron absorption measurements of neutrons from critical assemblies tamped by WC and U LAMS-243 [Memorandum from D. R. Inglis, editor, on writing reports and memoranda, dated May 17, 1945] LAMS-245 Production of neutrons from thick radioactive deposits LAMS-247 Estimated maximum pressures, positive impulses and positive duration in the blast from very large bare charges of TNT LAMS-248 Spatial and energy distribution of neutrons in 25 metal critical assemblies LAMS-249-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-251 Characteristics of some commercial photomultiplier tubes under pulse conditions LAMS-257 Simultaneous photography of two spectral regions in chemical analysis LAMS-258 Neutron energies in U and WC tampers LAMS-261-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-263 Determination of the background neutron emission rate of 49 LAMS-266-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-271 Isotope chart (high atomic number end) LAMS-275 Detonation timing in RaLa work LAMS-276-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-278 Some suggestions for the design of time-scale experiments LAMS-281 Minutes of technical and scheduling conference, August 10, 1945 LAMS-283 X-ray film-screen combination for anchor ranch studies LAMS-286 Determination of the capture cross section of 25 : preliminary report LAMS-289 Consolidation and shaping of boron : summary of prvious work LAMS-293 Half-life of Pu[sup 240] and of Pu[sup 239] LAMS-295 Mass spectroscopic studies, I : isotopic constitution of tellurium LAMS-295(2) Mass spectroscopic studies, II : isotopic constitution of silicon LAMS-295(3) Mass spectroscopic studies, III : isotopic constitution of tungsten LAMS-295(4) Mass spectrographic studies, IV : molybdenum and bromine LAMS-299 Energy of fission fragments of 25, 28, 49 LAMS-302-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-303 Thermocouple-type hot-wire flowmeter LAMS-305 Progress report number thirteen of the Research division of the Los Alamos Project, November 1, 1945 LAMS-307 Room-temperature casting resin for mounting metallographic specimens LAMS-309 Martempering of K-46 tool and die steel LAMS-310 High-efficiency neutron counter for fast coincidence measurements LAMS-312 Semi-monthly reports of the Metallurgy groups : July 15, 1943 to February 29, 1944 LAMS-313 Preparation and properties of tungsten carbide-co- pper alloys LAMS-314 Production of 3-inch-diameter tubes of tungsten carbide LAMS-315 Heat treatment and machinability of beryllium rod LAMS-320 Power reactor notes LAMS-322 Power reactor notes (3) LAMS-323 Power reactor notes (4) LAMS-331 Long electrostatic generator improvements LAMS-332 Critical radium of water boiler in water tamper LAMS-333 Metallographic preparation method for tungsten carbide LAMS-335 Progress report number fourteen for the Research divisionof the Los Alamos Project LAMS-336 Formula for water-boiler fluctuation LAMS-337-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-338-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-339-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-340 Physics division monthly report, January 1,1946 LAMS-342 Remarks concerning very short delayed-neutron periods LAMS-343 Angular distribution of scattering of 30-Kev neutrons LAMS-344 Search for slow-neutron-induced fission of Np[sup 239] LAMS-345 Spin-dependent part of the neutron - deuterium cross section LAMS-346 Neutron spectrum from a cold parahydrogen radiator LAMS-347 Neuton physics : a course by E. Fermi LAMS-350 Physics division monthly report LAMS-351 [alpha]-ray intensities at Trinity and in Japan LAMS-352 Monthly progress report of the Chemistry and Metallurgy Division LAMS-354 Thermal neutron fission in Pa[sup 231], Th[sup 232], U[sup 234], and Np[237] LAMS-355 Radiochemistry of the fission products LAMS-357-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-358 Direction and energy distribution near threshold of fission fragments LAMS-359 Group X-2 progress report : 1 December 1945 to 31 January 1946 LAMS-360 Group X-2 progress report : 1-28 February 1946 LAMS-361 Physics division monthly report, March 1, 1946 LAMS-364 Penetration of a radiation wave into uranium LAMS-367 Preliminary experiments on a high-efficiency fast-neutron counter LAMS-370 Angular distribution of n-d scattering for 2.5-Mev neutrons LAMS-372-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-373 Semi-popular motion-picture record of the Trinity explosion LAMS-376 Absorption of fission gamma rays in air LAMS-377 Pressure-gage data : Hiroshima and Nagasaki explosions LAMS-379 Adiabatic compression of a liquid deuterium-triti- um mixture by a piston LAMS-380 Calculation of energy in air after passage of the blast wave of a 20,000 ton TNT equivalent bomb LAMS-381 PIT catalog : destination kit LAMS-382 Bonding aluminum to tuballoy LAMS-383 Physics division monthly report : May 1, 1946 LAMS-384-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-386 Progress report on impact sensitivity measurements LAMS-387 Progress report on determination of chemical composition of slow explosives LAMS-389 Preliminary determination of the neutron absorption cross section of long-lived I[sup 129] LAMS-390 Beta rays from H[sup 3] LAMS-392 Energy loss of deuterons in D[sub 2]O at very low energies LAMS-395-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-396 Fission of 28 and 49 by 14-MeV neutrons LAMS-398-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-400 Surface phenomena in high explosives LAMS-401 Physics Division monthly report : July 1, 1946 LAMS-403 Heat-treating shop at Los Alamos LAMS-406 Studies of adjustments of a Zinn-type ion source LAMS-409 Model 100 counting rate meter LAMS-410 Model 200 pulse counter LAMS-412-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-413 Measurement of transport and ineleastic scattering cross sections for fast neutrons, Part 1. Method LAMS-414 Measurement of transport and ineleastic scattering cross sections for fast neutrons, Part 2. Experimental results LAMS-417 Attempted intense D-D neutron source LAMS-418 Half-life of polonium LAMS-419 Design and some construction details of two laboratory vacuum furnaces for casting metals LAMS-420 High-voltage pulse-type radio-frequency power supply LAMS-421 A method for preparing large tungsten-copper pieces LAMS-422 Physics Division monthly report : September 1, 1946 LAMS-423 Procedures in the analysis of ballistic field data LAMS-424 Scattering of protons by deutrons LAMS-425-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-426 Studies in complex formation : 1. the extraction of ferric chloride by isopropyl ether LAMS-427 Elementary theory of the pile LAMS-430 Crossroads technical instrumentation report : timing signals (tests A and B) LAMS-432 Crossroads technical instrumentation report, Test B LAMS-435 Hydrodynamic theory of the reaction zone with high explosives LAMS-436 Pulse shapes in a parallel plate ionization chamber LAMS-437 P Division monthly progress report LAMS-439 Radiation intensity vs time inside target ships LAMS-441 Ranges in air of plutonium fission fragments as a function of their mass LAMS-443 Evidence for a gamma-proton process n beryllium[s- up -nine] LAMS-444 Theory of shimming of the mass spectrograph LAMS-445-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-446 Crossroads technical instrumentation report : fastax photography LAMS-451 Safety test for storage of plutonium-239 in angle-iron frames designed at DP Site LAMS-452 Pajarito safety manual LAMS-453 Safety test on the storage of plutonium tetrafluoride LAMS-455 Nuclear safety test of assembly of enriched uranyl nitrate solutions LAMS-456 Pajarito safety regulations LAMS-475 P Division monthly progress report LAMS-476 Isotope chart supplement LAMS-477 D Division monthly progress report : 21 September 1946 - 20 October 1946, inclusive LAMS-478-Del. CMR division monthly progress report, October 1-20, 1946 LAMS-481 D Division monthly progress report : 21 October - 20 November 1946 LAMS-482 P Division monthly progress report : 21 October - 20 November 1946 LAMS-483 Initial stock for Sandia : catalogue LAMS-487 CMR division monthly progress report, October 20 to November 20, 1946 LAMS-488-pt.1 Progress report for March 1946 : T-1 Site X-1 LAMS-488-pt.3 Progress report for June 1946 : T-Site X-1 LAMS-488-pt.5 Group X-1 monthly progress report : August and September 1946 LAMS-488-pt.6 Progress report from 1 to 20 October 1946 : T-Site X-1 LAMS-490-pt.1 Monthly progress report : Group X-3 LAMS-490-pt.11 Monthly progress report : Group X-3 LAMS-490-pt.13 Monthly progress report : Group X-3 LAMS-490-pt.2 Monthly progress report : Group X-3 LAMS-490-pt.4 Monthly progress report : Group X-3 LAMS-490-pt.5 Monthly progress report : Group X-3 LAMS-490-pt.6 Monthly progress report : Group X-3 LAMS-490-pt.7 Monthly progress report : Group X-3 LAMS-490-pt.8 Monthly progress report : Group X-3 LAMS-490-pt.9 Monthly progress report : Group X-3 LAMS-491-pt.1 Monthly report of Group X-4 : January 1946 LAMS-491-pt.2 Monthly report of Group X-4 : February 1946 LAMS-491-pt.4 Monthly report of Group X-4 : April 1946 LAMS-491-pt.5 Monthly report of Group X-4 : May 1946 LAMS-492-pt.1 Group X-6 : monthly report for the period October 21 through November 20, 1946 LAMS-492-pt.2 Group X-6 : monthly report for the period November 21 through December 20, 1946 LAMS-492-pt.3 Group X-6 : monthly report for the period December 21, 1946 through January 20, 1947 LAMS-494-pt.2 Progress report, January and February 1946 : Group X-8 LAMS-496 P Division monthly progress report : 21 November - 21 December 1946 LAMS-500 The Measurement of ultra-short time intervals LAMS-502 Method for the preparation of butt-welded thermocouples using 3-mil diameter wire LAMS-504 A portable pulse generator LAMS-505 P division monthly progress report : 21 December 1946 - 20 January 1947 LAMS-506 Catalog : KIT equipment LAMS-507 Spread of radioactive contamination from a tower-burst atomic bomb LAMS-509 Estimate of certain ballistic quantities (L.B.) LAMS-513 Tables of Legendre polynomials P[sub n](cos [beta]) for N=0(1)20, and [theta]=0[sup 0](1)180[degrees] to six decimals LAMS-516 Survey of Los Alamos and Pueblo Canyon for radioactive contamination and radioassay tests run on sewer-water samples and water and soil samples taken from Los Alamos and Pueblo Canyons LAMS-516A Survey of Los Alamos and Pueblo canyons for radioactive contamination in May 1947 LAMS-517 A laboratory oscilloscope LAMS-518 Transient response of damped linear networks with particlar regard to wideband amplifiers LAMS-519 Detonation of composition B at liquid nitrogen temperature LAMS-520 Fabrication of gold-beryllium alloys LAMS-523 Note on the origin of the term "barn" LAMS-538 Precision investment molding process LAMS-540 Memorandum on Los Alamos operation : a generalized study of the problem LAMS-543 P division monthly progress report : 21 February - 20 March 1947 LAMS-544 Z division status report for month of February LAMS-550 "Twenty-five favorite circuits" LAMS-551 Statistical methods in neutron diffusion LAMS-553 Transport cross section expressed in terms of phase shift LAMS-554 Protective coatings ofr dural developer tanks LAMS-556 Meson theory and experiments about the beta decay of negative mesons in matter : an elementary discussion presented at the 24 March 1947 colloquium LAMS-557 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document room in the period January 1, 1947 to January 1, 1948 LAMS-562 Treatment of discontinuities in Langrangian integration of symmetrical hydrodynamic problems LAMS-563 P division monthly progress report : 21 March - 20 April 1947 LAMS-567 Plutonium fast reactor at Los Alamos LAMS-572 P division monthly progress report : 21 April 1947 - 20 May 1947 LAMS-573 A ten channel pulse-height analyzer LAMS-575 Chemistry-Metallurgy division progress report : 20 April - 20 May 1947 LAMS-576 Health-Instruments group, CMR-12 progress report : 20 April - 20 May 1947 LAMS-582 Z-Division progress report : 21 May - 20 June 1947 LAMS-583 Application of Zapon technique to the preparation of foils LAMS-586 X-division progress report LAMS-587 P division monthly progress report : 21 May 1947 - 20 June 1947 LAMS-588 Handbook of chemical analyses LAMS-593 P division monthly progress report : 21 June 1947 - 20 July 1947 LAMS-594 Report of talk given at the Chicago meeting, May 16, 1945 : the monitoring of Site Y personnel for plutonium contamination and the excretion of plutonium by a human subject LAMS-595 H-division progress report : 20 May 1947 - 20 July 1947 LAMS-596 Problems of air-borne contamination in handling Pu F[sub 4] powders LAMS-597 X-division progress report : 21 June 1947 to 20 July 1947 LAMS-598 CMR-12 progress report, 21 June 1947 - 20 July 1947 LAMS-600 Differential D(d,n)He[sup 3] cross section for 10 Mev deuterons LAMS-603 Determination of plutonium in human urine LAMS-604 On the reliability of Monte Carlo results LAMS-605 Tables of spherical Bessel function of imaginary argument and half odd integral order LAMS-606 Equation of state data from shock wave observatio- ns LAMS-607 Z-Division progress report : 18 July 1947 - 18 August 1947 LAMS-609 P division monthly progress report : 21 July 1947 - 20 August 1947 LAMS-610 H-division progress report, July 20 - August 20, 1947 LAMS-613 CMR-12 progress report, July 21- August 20, 1947 LAMS-616 Search for three-way fission of U[sup 238] by 14-MeV neutrons LAMS-618 Fraunhofer diffraction pattern produced by a slit of varying width and its application to high speed cameras LAMS-619 Pocket radiation alarm LAMS-620 Los Alamos Health Group film badge procedures LAMS-623 H-division progress report, August 20 - September 20, 1947 LAMS-6231 Multicomponent analysis of the carbon/water equilibria in the HTGR primary coolant system LAMS-624 P Division monthly progress report : 21 August 1947 - 20 September 1947 LAMS-626 A method for rolling uranium foil LAMS-630 Group CMR-12 progress report, August 21 - September 20, 1947 LAMS-633 Further evidence for a [gamma]-p process in Be[sup 9] LAMS-634 Study of sources of contamination in the analysis of radioactive materials LAMS-635 Engineering drawing standards manual LAMS-639 On the accuracy of a procedure occurring in the Monte Carlo method LAMS-642 CMR-12 progress report LAMS-643 X-division progress report, 20 September 1947 - 20 October 1947 LAMS-644 H-division progress report, 20 September 1947 - 20 October 1947 LAMS-645 P Division monthly progress report : 21 September 1947 - 20 October 1947 LAMS-646 T-division progress report : 20 September 1947 - 20 October 1947 LAMS-648 Preliminary search for fission induced fission LAMS-650 Group CMR-12 progress report, 20 October 1947 - 20 November 1947 LAMS-651 H-division progress report, 20 October 1947 - 20 November 1947 LAMS-653-Del. Laboratory annual progress report for 1947 LAMS-654 The reaction He[sup 3] (n,p) H[sup 3] induced by thermal neutrons LAMS-655 Report on progress of design and construction of 12 million volt precision electrostatic generator at Los Alamos, N. Mex LAMS-658 Ground activity after the trinity shot LAMS-659 P Division monthly progress report : 20 October 1947 - 21 November 1947 LAMS-661 Summary of work on health instruments LAMS-663 Inelastic scattering cross sections of lead and uranium for 14 Mev neutrons LAMS-664 CMR-12 progress report LAMS-665 Methyl methaceylate casting resin LAMS-666 A & S memoroandum no. 10742 LAMS-667 Possible detection of atomic bomb explosion by pressure measurements at the antipodes LAMS-669 Electronics of the Van de Graaff LAMS-670 P Division monthly progress report : 21 November 1947-20 December 1947 LAMS-671 H-division progress report, 21 November 1947-20 December 1947 LAMS-678 Some applications of electronics to precision D.C. measurements and control LAMS-681 Z-Division progress report : [20 Dec 1947 - 20 Jan 1948] LAMS-682 Installation of chemical research laboratory LAMS-683 Preliminary results on the cross-section of the reaction T[sup 3](d,n)He[sup 4] between 1.0 Mev and 2.5 Mev deuteron energy LAMS-687 H-division progress report LAMS-688 Status report on Los Alamos Tech Series LAMS-689 Report on radioactive tolerance for waste effluents and waste gases and radioactive dusts LAMS-691 P-Division progress report : 20 December-20 January 1948 LAMS-696 Z-division progress report : 20 January 1948 - 20 February 1948 LAMS-697 CMR-12 progress report : 20 December 1947 - 20 January 1948 LAMS-700 H-division progress report : 20 January 1948 - 20 February 1948 LAMS-701 CMR-12 group progress report, 20 January 1948-20 February 1948 LAMS-702 P division progress report : 20 January 1948 - 20 February 1948 LAMS-703 Table of critical radii for tamped spheres LAMS-705 A current integrator LAMS-706 Phenomenological theory of reactive assemblies LAMS-708 CMR-12 group progress report, 20 February 1948 - 20 March 1948 LAMS-709 Radioassay and spectrochemical analysis of water and soil samples collected from Los Alamos, and Pueblo Canyons and analyses of water samples from tech area, DP site, and launddry drains : December 1947 LAMS-710 Excitation time of silver activated zinc sulphide on electron bombardment LAMS-711 Note on stereographic drawing LAMS-713 Z-division progress report : 20 February 1948 - 20 March 1948 LAMS-716 H-division progress report : 20 February 1948-20 March 1948 LAMS-720 Recording type automatic Geiger tube calibrator LAMS-721 Group CMR-12 progress report, 20 March 1948 - 20 APril 1948 LAMS-722 Drawing nomenclature and composition, electrical LAMS-723 P division progress report : 20 February 1948 - 20 March 1948 LAMS-725 Studies of air-borne contamination resulting from operations handling plutonium metal and plutonium alloys LAMS-726 H-division progress report : March 21, 1948 - April 20, 1948 LAMS-727 The neutron energy distribution in the center of the Los Alamos plutonium reactor LAMS-728 A table of the function Ki[sub 1](x) LAMS-730 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document room in the period January 1, 1947 to January 1, 1948 LAMS-731 Photoelectric observations of bomb flashes at a long distance LAMS-732 Attempt at remote detection of a nuclear explosion LAMS-733 Effect of temperature and reactivity changes in operation of the Los Alamos plutonium reactor LAMS-734 Average effective cross sections for the fast plutonium reactor spectrum LAMS-736 Group CMR-12 progress report : 20 April 1948 - 20 May 1948 LAMS-739 Report on triangle computer LAMS-740 Design and construction of the "Pee Wee" portable proportional alpha survey meter LAMS-741 H-division progress report : 20 April 1948 - 20 May 1948 LAMS-746 Group CMR-12 progress report : 20 May 1948 - 20 June 1948 LAMS-747 The design and construction of a test instrument for the Model-356 Zeuto LAMS-748 Method for finding the neutron sensitivity of a large gamma-ray ionization chamber LAMS-749 Survey meter conversion unit LAMS-750 P division progress report : 20 April 1948 - 20 May 1948 LAMS-751 H-division progress report : 20 May 1948 - 20 June 1948 LAMS-752 Neutron-deuteron scattering at high energies LAMS-754 P division progress report : 21 May 1948 - 20 June 1948 LAMS-756 X-division progress report : 20 May 1948 - 20 June 1948 LAMS-757 Radiation measurement of 400 Kv x-ray unit LAMS-759 Group CMR-12 progress report, 20 June 1948 - 20 July 1948 LAMS-763 A method for the prepartion of large crystals of anhydrous manganous sulfate : MnSO[sub 4] LAMS-764 Characteristics of 16.5-min. Y[sup (94)] LAMS-765 Search for short-lived Y, Zr, and Cb fission products LAMS-766 H-division progress report : 20 June 1948 - 20 July 1948 LAMS-769 Isolation of high activities of Xe[sup 135] at the Omega water boiler LAMS-770 The design of special hood for machine tools LAMS-771 Group CMR-12 progress report, July 20 - August 20, 1948 LAMS-773 Production of No. A-134 MgO crucibles LAMS-774 Fission cross section of Th[sup 232] and U[sup 235] for 14 mev neutrons LAMS-775 Preparation of high strength shapes from crystalline boron LAMS-776 Preliminary results on the fission cross sections of Th[sup 232] and U[sup 235] for 14 mev neutrons LAMS-777 Preliminary results on the fission cross section of U[sup 238] in the neutron energy range from 13.5 to 18 Mev LAMS-779 A proposed method of measuring neutron energies by the (n,[alpha]) reaction in Li[sup 6] using nuclear emulsions LAMS-782 P division progress report : 20 June 1948 - 20 July 1948 LAMS-783 H-division progress report : 20 July 1948 - 20 August 1948 LAMS-784 P division progress report : 20 July 1948 - 20 August 1948 LAMS-786 Safety tests on hand stacking of U-235 cubes LAMS-787 Group CMR-12 progress report, 20 August - 20 September 1948 LAMS-790 H-division progress report : August 20 - September 20, 1948 LAMS-796 Table of diffusion constant K LAMS-797 Table of the collision probability of P[sub c] for a uniform source in an untamped sphere of radius [sigma[sub a]] and an untamped infinite slab of half-thickness [sigma[sub a]] LAMS-798 P Division progress report : 20 August 1948 - 20 September 1948 LAMS-799 Group CMR-12 progress report : 20 September - 20 October 1948 LAMS-803 H-division progress report : 20 September - 20 October 1948 LAMS-805 Note on census-taking in Monte-Carlo calculations LAMS-806 Table of [delta]x LAMS-808 A report to the chairman of the NEPA Project's sub-committee on available data on radiation biology : a summary of available data at the Los Alamos Laboratory LAMS-809 Communications for Operation Sandstone LAMS-810 Group CMR-12 progress report : 20 October - 20 November 1948 LAMS-813 J-division progress report : 20 October 1948 - 20 November 1948 LAMS-815 H-division annual report of research activities, Volume 1. organic and biological chemistry LAMS-815R H-division annual report of research activities, Volume 1. organic and biological chemistry LAMS-816 H-division annual report of research activities LAMS-816R H-division annual report of research activities, Volume 2. radiobiology LAMS-817 H-division progress report : 20 October 1948 - 20 November 1948 LAMS-818 P division progress report : 20 September 1948 - 20 October 1948 LAMS-820 Cross section for the reaction N[sup 14](He[sup 3],[alpha])N[sup 13] for 8.3 Mev He[sup 3] particles LAMS-821 A Summary of attempts to classify pulverized barium nitrate in the sub-sieve range LAMS-823 Progress of liquid waste disposal studies LAMS-824 A Method for three dimensional graphs LAMS-825 CMR-12 progress report : 20 November - 20 December 1948 LAMS-828 H-division progress report : 20 November - 20 December 1948 LAMS-832 Table of the functions: S[sub o](x), C[sub o](x), E[sub o](x), [sinh][sub o](x) and [coth][sub o](x) LAMS-833 Progress of liquid waste disposal studies LAMS-834 A Transient analysis of the cathode-coupled feedback loop LAMS-835 Fabrication of uranium hydride LAMS-836 Minutes of an informal meeting on nuclear rockets LAMS-838 Approximate densities of liquid He[sup 3] between 1.27[degrees] and 2.79[degrees]K LAMS-839 Group CMR-12 progress report : 20 December - 20 January 1948 LAMS-840 Uranium hydride fabrication LAMS-845 Electron microscopy of beryllium compounds : investigations of particle size and structural surface properties as an approach to identificati- on of compounds and the problem of their toxicity LAMS-846 H-division progress report : 20 December 1948-20 January 1949 LAMS-847 Report on health instruments : Model 263 - Victoreen Instrument Company, Cleveland, Ohio LAMS-849 P division progress report : 20 October 1948 - 20 November 1948 LAMS-850 Elastic constants and sound velocities, 1. the precision determination of elastic constants LAMS-851 Elastic constants and sound velocities, 2. longitudinal, torsional, and bending vibrations of loaded bars LAMS-852 Elastic constants and sound velocities, 3. elastic constants of uranium LAMS-854 Group CMR-12 progress report : 20 January 1949-20 February 1949 LAMS-855 P division progress report : 20 November 1948 - 20 December 1948 LAMS-856 The Ten channel electrostatic pulse analyzer LAMS-858 Neutron activation cross sections in the fast reactor LAMS-860 Uranium hydride fabrication : status report LAMS-861 Elastic constants and sound velocities, 4. elastic constants of plutonium LAMS-862 Some notes on wideband feedback amplifiers LAMS-863 Progress of liquid waste disposal studies LAMS-864 Report on GMX-4 activities, 1. shock waves in gases, 2. thermal effects in metals LAMS-865 H-division progress report : 20 January 1949 - 20 February 1949 LAMS-869 Critical size of untamped cube by variation method LAMS-872 Uranium hydride fabrication : quarterly report - 15 March 1949 LAMS-873 Group CMR-12 progress report : 20 February - 20 March 1949 LAMS-874 P division progress report : 20 December 1948 - 20 January 1949 LAMS-877 H-division progress report : 20 February 1949 - 20 March 1949 LAMS-883 Progress of liquid waste disposal studies LAMS-884 P division progress report : 20 January 1949 - 20 February 1949 LAMS-886 CMR-12 progress report : 20 March - 20 April 1949 LAMS-888 Uranium hydride fabrication : status report - April 15, 1949 LAMS-889 H-division progress report : 20 March 1949 - 20 April 1949 LAMS-893-Del. Progress report T-division : March 20 - April 20, 1949 LAMS-894 Feasibility of shadow shielding in nuclear powered submarines LAMS-895 Measurements involving rapid light fluctuations LAMS-896 Uranium hydride fabrication : status report - May 15, 1949 LAMS-897 P division progress report : 20 April 1949 - 20 May 1949 LAMS-899 Group CMR-12 progress report : 20 APril 1949 - 20 May 1949 LAMS-901 H-division progress report : April 20, 1949 - May 20, 1949 LAMS-905 Particle size determination in radioactive aerosols by radio-autograph LAMS-906 Four-way stopcock LAMS-908 Fast plutonium reactor experimental facilities LAMS-909 P division progress report : 20 February 1949 - 20 March 1949 LAMS-910 P division progress report : 20 March 1949 - 20 April 1949 LAMS-911 Decontamination of radioactive waste air. I LAMS-913 Progress of liquid waste disposal studies LAMS-914 CMR-12 progress report : May 20, 1949 - June 20, 1949 LAMS-915 Neutron spectrum from fast reactor LAMS-916 Magnetic acceleration LAMS-917 H-division progress report : 20 May 1949 - 20 June 1949 LAMS-918 Aluminum window glass counter LAMS-921 Analysis of fireball growth at Sandstone LAMS-923 Progress of liquid waste disposal studies LAMS-924 A New technique for the measurement of neutron energy spectra LAMS-925 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document Room during the period January 1, 1948 to January 1, 1949 LAMS-927 CMR-12 progress report : June 20, 1949 - July 20, 1949 LAMS-929 H-division progress report : 20 June 1949 - 20 July 1949 LAMS-930-Del. T division progress report : June 20, 1949 - July 20, 1949 LAMS-933 On the range of energy releases which can be determined by fireball observations LAMS-935 CMR-12 progress report : July 20, 1949 through August 20, 1949 LAMS-936 The chelation of lanthanum with thenoyltrifluorac- etone as a function of pH LAMS-937 Correction formulas for the Li[sup 6] method LAMS-938 Fission cross sections of thorium 232, uranium 233, 235 and 236 and plutonium 239 relative to uranium 238 for 14 Mev neutrons LAMS-939 P division progress report : 20 May 1949 - 20 June 1949 LAMS-941 H-division progress report : 20 July 1949 - 20 August 1949 LAMS-942 Report on an electron multiplier LAMS-946 On the application of Li[sup 6] loaded emulsions to the measurement of the neutron spectrum in a reactive assembly LAMS-948 Elastic constants and sound velocities, 5. torsional vibrations of coupled cylinders LAMS-950 J-division progress report : June 20, 1949 - July 20, 1949 LAMS-951 A Simple method for the calculation of the equation of state LAMS-952 J division progress report : 20 May 1949 through 20 June 1949 LAMS-953 CMR-12 progress report : August 20, 1949 - September 20, 1949 LAMS-956 H-division progress report : August 20, 1949 to September 20, 1949 LAMS-961 Threshold for the Cu[sup 63] ([gamma],n) Cu [sup 62] reaction LAMS-962 J - division progress report : 20 April to 20 May 1949 LAMS-964 P division progress report : 20 July 1949 - 20 Aug 1949 LAMS-967 Fabrication of uranium wire LAMS-968 P division progress report : 20 August 1949 - 20 September 1949 LAMS-970 Decontamination of radioactive waste air. II LAMS-971 An investigation of the use of arsenic[sup 75] as a threshold detector of fast neutrons in the presence of large numbers of slow neutrons LAMS-972 J division progress report : August 20, 1949 - September 20, 1949 LAMS-984 Disintegration of He[sup 3] by fast neutrons LAMS-987 Proposed high resolution neutron spectrometer LAMS-991 Spontaneous fission of 48 LAMS-992 Energy spectrum of spontaneous fission fragments LAMS-993 Preliminary survey of physical effects produced by a super bomb LAMS-999 Separation of lanthanum from barium by the precipitation of lanthanum silicofluoride