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US Patent: 1,655,887
Protractor (folding rule, gear in center hinge)
Patentee:
Charles Jerome Bailey (exact or similar names) - Waterbury, CT

USPTO Classifications:
33/496

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jan. 10, 1928

Patent Pictures:
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