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US Patent: 387,284
Device for Measuring the Thickness of Lumber
Patentee: George E. Dupee (exact or similar names) - Boston, MA USPTO Classifications: 33/562, 453/60, D10/64 Tool Categories: rules : lumber rules gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Edwin W. Brown Percy Bryant	Patent Dates: Applied: Nov. 07, 1887 Granted: Aug. 07, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Notched scale for measuring board thickness and a spring clamp on the back to allow the scale to be attached to a book or ledger.

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