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US Patent: 314,511
Leveling Instrument
Patentee: Ernst A. Bostrom (exact or similar names) - Newnan, Coweta County, GA USPTO Classifications: 33/291 Tool Categories: specialty tools : surveying apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: William Wells Jason A. Lee L. P. Smith John Buckler	Patent Dates: Applied: Nov. 25, 1884 Granted: Mar. 24, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: This patent is an improvement of patent #280,713.

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