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US Patent: 13,142
Wheelwright-'s guide-mandrel
Patentee:
Joseph Sykes - Mercer, PA

USPTO Classifications:
157/3, 16/18R, 73/480, 82/169

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William R. McKim
John R. Hanna

Patent Dates:
Granted: Jun. 26, 1855

Patent Pictures:
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Description:
This mandrel holds a wheel-hub while the spokes are being driven in.

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