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US Patent: 50,173
Improvement in Dividers
Patentee: S. Addison Shurtleff (exact or similar names) - Taunton, MA USPTO Classifications: 33/665 Tool Categories: layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: Theo. Tusch Wm. Greurn C. H. Kukland Bernard A. Galligan	Patent Dates: Granted: Sep. 26, 1865 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is an unusual design for a pair of dividers, in which an automatically centered leg can be extended to bifurcate the divided distance.

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