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US Patent: 346,915
Calipers
Patentee: Thomas C. Hendey (exact or similar names) - Torrington, CT USPTO Classifications: 33/558.1 Tool Categories: layout tools : calipers Assignees: None Manufacturer: J. Stevens A & T Co. - Chicopee Falls, MA Witnesses: John A. Parsons O. R. Luther E. G. Perkins C. S. Ruggles	Patent Dates: Applied: Mar. 22, 1885 Granted: Aug. 10, 1886 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a different take on the fast-adjust caliper which utilizes a firm caliper design instead of the usual spring caliper.

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