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US Patent: 206,259
Improvement in Wantage Rods
Patentee: Eli S. Prime (exact or similar names) - Baltimore, MD USPTO Classifications: 137/558, 33/722 Tool Categories: Assignees: None Manufacturer: Unknown Witnesses: R. D. O. Smith John D. Patten	Patent Dates: Applied: May 14, 1878 Granted: Jul. 23, 1878 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Combines both the "out-stick" and "in-stick" (used when less than 1/2 full) functions in one instrument as well as an adjustable gage lip. Known example is marked: ELI S. PRIMES/WANTAGE SCALES/PAT'D.JULY.23.1878

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