The U.S. Mint and Coinage: An Illustrated History from 1776 to the PresentArco Publishing Company, 1966 - 400 pages Comprehensive history of American federal coinage by a numismatic historian, with a section on twentieth century coins and the sculptors who modeled them |
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Page 86
... assay furnace , and heated by a charcoal fire . From time to time the assayer peeked through a small hole in the door of the furnace to follow the progress of the cupellation . As the cupel became red hot , the base metals in the gold ...
... assay furnace , and heated by a charcoal fire . From time to time the assayer peeked through a small hole in the door of the furnace to follow the progress of the cupellation . As the cupel became red hot , the base metals in the gold ...
Page 87
... assay sample was reweighed , and the figure subtracted from its previous weight , giving the proportion of silver . With the assay complete , the treasurer calculated the value of the deposit ( making an allowance of one pennyweight in ...
... assay sample was reweighed , and the figure subtracted from its previous weight , giving the proportion of silver . With the assay complete , the treasurer calculated the value of the deposit ( making an allowance of one pennyweight in ...
Page 153
... assay offices were established in addition to the branch mints . A graphic description of the New York Assay Office is given by Waldo Abbott in the November 1861 edition of Harper's Monthly Magazine . The bullion is brought in by every ...
... assay offices were established in addition to the branch mints . A graphic description of the New York Assay Office is given by Waldo Abbott in the November 1861 edition of Harper's Monthly Magazine . The bullion is brought in by every ...
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Common terms and phrases
adopted alloy American appears approved artist Arts assay authorized banks Barber bill bullion called cent circulation coinage Commission committee complete Congress consideration considered copper currency December Department devices dies dime Director eagle engraver establishment fact February figure finally five further give given gold Government grains half dollar hand head House impression interest introduced issue January Jefferson July later less letter Liberty machine March medal metal Mint models necessary nickel obverse operations original passed patterns Peace dollar Peale persons Philadelphia piece possible practice prepared present President proposed purchase quarter reason received reduced referred relief replied Representative request result reverse Robert Saint-Gaudens Secretary Senate sent side silver coins specimens standard striking struck submitted suggested trade Treasury United Washington weight wrote York