Coins, medals, and seals, ancient and modern. Illustrated and described. With a sketch of the history of coins and coinage, instructions for young collectors, tables of comparative rarity, price lists of English and American coins, medals and tokens, &c., &c (1861)
Prime, William Cowper, 1825-1905 · New York, Harper & brothers · leaf 238
WEIGHT AND FINENESS OF GOLD AND SILVER. Gold is never found in a pure state when taken from the earth. It is always al-loyed more or less with silver. The process of parting the gold from the silver isvery simple. Being melted and poured into cold water, it is granulated; then boiled,each 3£ ounces…
Numismatics · Medals · Seals (Numismatics)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
