Illustrated encyclopaedia of gold and silver coins of the world; illustrating the modern, ancient, current and curious, from A.D. 1885 back to B.C. 700 (1886)
Smith, Andrew Madsen, 1841-1915 · Philadelphia : A. M. Smith · leaf 32
2G GIVING THE AMOUNT OF GOLD OR SILVER IN COIN. Kxplaiiation :—To find tlie artiuil amount of pure metal contained in a coin, its fineness beingknown, take the gross weiglit of the (tieee on the grains table and follow directly across until thecolumn of the given fineness is reached. Thus, 110…
Numismatics
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