Atomic energy for military purposes; the official report on the development of the atomic bomb under the auspices of the United States Government, 1940-1945

Prelinger Library, Henry De Wolf Smyth

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• Publié par: sawyeng
• Nombre de lectures: 23
• Langue: English
• Poids de l'ouvrage: 29 Mo

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ATOMIC ENERGY FOR MILITARY PURPOSESH. D.1945, byCopyright, Smyth in whole or inReproduction part authorized and permitted Printed in the United States ofAmerica by Maple Press, York, PennsylvaniaFOREWORD theof the atomic bombof the development bystory United States is aTHE efforts of in thecombined many groups an enormous enter-but technical account ofhighlyfascinating this fromstory beingObviously military security preventsprise. there is no reason thetold in full at this time. However, why Atomic Bomb and the basicadministrative of the Projecthistory on which the several werescientific developmentsknowledge available now to the To thisbased should not be general public. Professor H. D. isend this account Smyth presented.by scientific information which can be released toAll pertinent of nationalat this time without the needsthe violatingpublic for additionalis contained in this volume. No requestssecurity orinformation should be made to private persons organizations the Persons dis-associated or withdirectly indirectly project. means whatso-or additional information by anyclosing securing are to severe underever without authorization subject penalties the Act.Espionage of is due to the thousandsThe success the development many workmen and administrators bothof scientists, engineers, and whose silentcivilian military prolonged labor, perseverance, and whole-hearted have made the un-cooperation possible technical here described.accomplishmentsprecedented L. R. GROVES USAMajor General, War Department D. C.Washington, 1945AugustPREFACE for our nation's rests onultimate policyresponsibility THE and can suchits citizens discharge responsibilities wiselythey if are informed. The citizen cannot bethey average expectedonly to understand how an atomic bomb is constructed or howclearly it works but there is in this a substantial ofcountry group engi- neers and scientific men who can understand such andthings theirwho can the ofatomic bombs to fellowexplain potentialities citizens. The is written for thispresent report professional group account of work in the Unitedand is a matter-of-fact, general since 1939 aimed at the of such bombs. It isStates production neither a documented official nor a technical treatise forhistory have affected both the detailedexperts. Secrecy requirements content and so thatgeneral emphasis many interesting develop- ments have been omitted. References to British and Canadian work are not intended to be since this is written from the of view of thecomplete point activities in this country. The writer that this account is accurate,hopes substantially thanks to from all in the he takescooperation groups project; full for such errors as occur.mayresponsibility H. D. SMYTH 1945/,July Minor have been made for this edition. Thesechanges changes consist of the variations from the as issuedfollowing report 1945: Minor clarifications and corrections inAugust 12, (1) Inclusion of a on radioactive effectswording; (2) paragraph issued theWar to the releaseby Department accompany originalviii Preface of Addition of a fewthis sentences on the success of(3)report; the health Addition of a few Additionprecautions; (4) names; (5) of the War release on the NewAppendix 6, giving Department Mexico test of Inclusion of the1945;July 16, (6) photographic Inclusion of an index.section; (7) H. D. S. 1945September 7,