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US Patent: 122,674
Improvement in machines for chamfering the rails of wagon-bodies
Patentee:
Charles Spofford (exact or similar names) - Boston, MA

USPTO Classifications:
144/125, 144/237, 144/253.4

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jan. 09, 1872
Antedated: Dec. 28, 1871

Patent Pictures:
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