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US Patent: 825,320
Spirit-Level
Patentee: Edward G. Hewitt (exact or similar names) - New York, NY USPTO Classifications: 33/386 Tool Categories: layout tools : levels Assignees: None Manufacturer: Not known to have been produced Witnesses: M. Lawson Dyer S. S. Dunham Raphael Vetter	Patent Dates: Applied: Jul. 08, 1905 Granted: Jul. 10, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a design for a metal evel for carpenters and masons. It is lighter than a standard machinists level, but retains the same accuracy.

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