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US Patent: 130,037
Improvement in the Construction of Compasses
Patentee: Thomas Hagerty (exact or similar names) - Richmond, VA USPTO Classifications: 33/558.01 Tool Categories: layout tools : compasses Assignees: None Manufacturer: Not known to have been produced Witnesses: Melville Church N. K. Ellsworth G. F. Brown	Patent Dates: Granted: Jul. 30, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: Another sheet metal compass construction patent, which uses the same basic design as #130,036, but adds an arc for direct reading. A third design for cheap compasses also issued to this inventor on this date: #130,038.

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