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US Patent: 66,120
Improvement in Tinner's Rules
Patentee: Thomas Bigelow (exact or similar names) - Elkhart, IN USPTO Classifications: 33/494 Tool Categories: rules : rule graduations rules : folding rules Assignees: None Manufacturer: Not known to have been produced Witnesses: W. H. Burridge E. R. Waite	Patent Dates: Granted: Jun. 25, 1867 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Three-fold tinners rule with various scales for calculating sizes and volumes of different containers.

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