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US Patent: 58,271
Improvement in Levels
Patentee: Danial Masten (exact or similar names) - Binghamton, NY USPTO Classifications: 33/365 Tool Categories: layout tools : levels : pendulum levels Assignees: None Manufacturer: Not known to have been produced Witnesses: L. A. Murphy Thos. A. Connolly H. A. Sheldon F. T. Newell	Patent Dates: Granted: Sep. 25, 1866 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a wildly unusual design for a pendulum level. Instead of the typical weight and need, it uses a series of rotating discs to indicate level.

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