Instructions for collecting, testing, melting and assaying gold, with a description of the process for distinguishing native gold ... for use of persons who are about to visit the gold region of California
By: by Edward N. Kent
Publisher: Van Norden & Amerman, Printers
Published: 1848
Place of publication: New York
Language: eng
Number of pages: 39
Subjects: Gold -- Metallurgy; Gold -- Assaying; Gold mines and mining -- California