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Assaying gold and silver...

Item # 671712

February 15, 1902

SCIENTIFIC AMERICAN, New York, February 15, 1902  This issue contains the following prints, articles, and/or ads: Assaying Gold and Silver Bullion at the New York Assay Office; Mail Transportation in Cities;The Improvement of Washington; The Yerkes Observatory Two-Foot Reflector; A Pigeon Ranch; and other articles and advertisements.
The issue is complete in 16 pages and is in good condition. See photos for full details.

Item from Catalog 298 (released for September, 2020)...

Category: The 20th Century