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US Patent: 193,609
Improvement in slide-rests for watch-makers' lathes
Patentee: Caleb Hopkins (exact or similar names) - Waltham, MA USPTO Classifications: 82/137 Tool Categories: metalworking machines : metal lathes : watchmakers lathes Assignees: None Manufacturer: Hopkins Watch Tool Co. - Waltham, MA Waltham Watch Tool Co. - Waltham, MA Witnesses: John Deis C. B. Ferguson	Patent Dates: Applied: Feb. 08, 1876 Granted: Jul. 31, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin "Vintage Machinery" entry for Waltham Watch Tool Co.
Description: In 1883 the Hopkins Watch Tool Co. was reorganized and became the Waltham Watch Tool Co.

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