Journal of Numismatic Research Issue 1 Autumn 2012 Patents US Mint Technology

Description: Store contact us about us Menu Categories Books Coin Supplies Currency Supplies Stamp Supplies Comic Supplies Sports Card Supplies Gaming Supplies Magnifiers Journal of Numismatic Research Issue 1 Autumn 2012 Patents US Mint Technology Click Thumbnails to Enlarge Product description This issue of the Journal of Numismatic Research contains two original research articles by Roger W. Burdette about the technology used in producing coins in the US Mints: OBERLIN SMITH – PATENT FOR A COINING PRESS, 1896 United States patent number 574227 was issued to Oberlin Smith on December 29, 1896. Smith was owner of the Ferracute Company and had many years of experience in designing and manufacturing industrial and machine shop presses, lathes and other equipment. His company produced only two sizes of coin presses and sold a few to the U.S. Mint and others to foreign governments. This is the first publication of Smith’s complete patent text and illustrations. VICTOR JANVIER – PATENT FOR A MODEL REDUCING MACHINE, 1899 Among American numismatists Victor Janvier is known almost entirely for the model reducing machine of his invention that was installed in the Philadelphia Mint in 1906. The French patent, number 294123, was issued on November 8, 1899 and amended in February 24, 1902. This is the first publication of his patent and includes all documents remaining in the French patent office archive. Recommended products Start To Collect National Park Quarters :) Great Gift Idea $13.97 2x2 Coin Flips - All Sizes & Types Available $6.83 New 2024 Red Book Is Here $16.00 Do Not Stay Without This Magnifier - Best For Coins & Other Collectibles $33.90 Need a Snaplock ? All Types - All Sizes - Available. $9.97 Feedback Shipping Payment Returns About us Contact us Shipping e are going to process and ship your order fast! Most items ship from our warehouse in northern Virginia the same or next business day after your completed order and payment. 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