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US Patent: 557,712
Pulley-crowning lathe
Patentee:
Spencer H. St. John (exact or similar names) - Canyon, CO

USPTO Classifications:
142/40

Tool Categories:
woodworking machines : specialty woodworking machines : pulley making machines
woodworking machines : wood lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 07, 1896

Patent Pictures:
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