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V24 2021 INDEX       E-SYLUM ARCHIVE

The E-Sylum: Volume 24, Number 22, May 30, 2021, Article 19

THE U.S. MINT AND THE MANHATTAN PROJECT

The MPC Gram is a newsletter for collectors of Military Payment Certificates and other military numismatica. The 29 May 2021 issue includes a fascinating short article by Bill Myers about the connection of the U.S. Mint to, believe it or not, the Manhattan Project. Republished with permission. Thank you! This is noted anywhere else in numismatic literature including The Numismatist, Coin World, various periodicals, and earlier E-Sylum articles. -Editor

MANHATTAN PROJECT
by Bill Myers

Manhattan_Project_emblem At the 2021 MPC E-FEST my presentation was about coins melted for war materiel during World War II. It was brought up that I did not include the fact that the United States as the US Mint provided silver for the Manhattan Project. The Manhattan Project needed enriched uranium for the atomic bomb. The United States built Plant Y-12 in Oak Ridge, TN. It used electromagnets to separate U-235 (weapons grade) from U-238. The coils of magnets are usually made of copper but copper was critical for the manufacture of war materiel so it was not available. Silver has an electroconductivity that is similar to copper. 14,700 tons of silver were borrowed from the US mint to make the coils.

The silver was returned to the US Mint on 1 June 1970 with a loss of 36/1000 of 1%. The silver was from bullion stores and coins were not melted to produce the atomic bomb, even though stated in older references. No coins were harmed in the making of the atomic bomb.

For more information, see:
The Manhattan Project (https://www.atomicheritage.org/history/manhattan-project)

To subscribe to MPC Gram, click here .

To read earlier E-Sylum articles, see:
ATOMIC NUMISMATICS (https://www.coinbooks.org/esylum_v06n23a21.html)
SILVER COINS AND THE MANHATTAN PROJECT (https://www.coinbooks.org/esylum_v10n21a30.html)

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Wayne Homren, Editor

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The Numismatic Bibliomania Society is a non-profit organization promoting numismatic literature. See our web site at coinbooks.org.

To submit items for publication in The E-Sylum, write to the Editor at this address: whomren@gmail.com

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