File:Springfield Armory hammer 1884.jpg
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| Description |
English: The trip hammer in this image (found in CASE 61), shown working at Springfield Armory about 1880, allowed for the mass-production of small metal parts.
King's Guide to Springfield, 1884. |
| Date | |
| Source | Springfield Armory National Historic Site (U.S. National Park Service Official Web-site |
| Author | Copeland del. |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:38, 22 June 2018 | | 500 × 554 (109 KB) | ВоенТех (talk | contribs) | User created page with UploadWizard |
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