Illustrated history of the United States mint : with short historical sketches and illustrations of the branch mints and assay offices, and a complete description of American coinage from the earliest period to the present time : the process of melting, refining, assaying, and coining gold and silver being fully described : with biographical sketches of the mint officers from its foundation to the present time : to which are added a glossary of mint terms and the latest official tables of the operations of the different Mints and Assay Offices, showing the annual products of the gold and silver in the United States and foreign countries, with monetary statistics of the world (1893)
Philadelphia : G.G. Evans · leaf 47
34 ILLUSTRATED HISTORY OF The first steam coining press was invented by M. Thonnelier, of France, in 1833, and was first used in the United States Mint in 1836. It was remodeled and rebuilt in 1858, but in 1874 was superseded by the one now in operation, the very … STEAM COINING PRESS. perfection of mechanism, in which the vibration and unsteady bearing of the former press were entirely obviated, and pre¬ cision attained by the solid stroke with a saving of over seventy- five per cent, in the wearing and breaking of the dies. Dies. The dies for coining are…
Mints -- United States · Coinage -- United States
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
