
Description | English: Operators in the Chinese Telephone Exchange, San Francisco, 1918 |
Date | 1918 |
Source | Pacific Telephone Magazine (https://archive.org/details/pacific-telephone-magazine_11_07/page/n3/mode/2up) |
Author | Anonymous |
Description | English: Operators in the Chinese Telephone Exchange, San Francisco, 1918 |
Date | 1918 |
Source | Pacific Telephone Magazine (https://archive.org/details/pacific-telephone-magazine_11_07/page/n3/mode/2up) |
Author | Anonymous |
Description |
English: An 1860 engraving shows the machinery for stamping coin at the San Francisco Branch Mint
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Date | |
Source | California Pictorial Almanac, 1860 (https://archive.org/stream/califpictor1860unse#page/34/mode/2up) |
Author | William Herrick, engraver |
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