Gold and silver conversion tables, giving the coining values of troy ounces of fine metal, and the weights of fine metal represented by given sums of United States money /
|Format:||Government Document Online Book|
Washington, D.C. :
Department of the Interior, United States Geological Survey,
|Series:||Bulletin of the United States Geological Survey ;
no. 2. |
|Online Access:||ONLINE VERSION|
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