Tables of the value of gold and silver per ounce troy, at different degrees of fineness.
Subtitle: Also tables showing the net returns from gold and silver of different fineness, when made in coin or fine metal.
By: Prepared by the San Francisco Assaying and Refining Works.
Publisher: Towne & Bacon's Excelsior Book and Job Printing Establishment
Published: 1867
Place of publication: San Francisco
Language: eng
Number of pages: 56
Subjects: Precious metals -- Assaying; Assaying -- Tables