US Patent: 85,991 - Improvements in combined rule and protractor


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US Patent: 85,991

Improvements in combined rule and protractor

Patentee:

Reuben A. Briggs (exact or similar names) - New York, NY

USPTO Classifications:

33/431

Tool Categories:

Assignees:

Edwy E. Hammond - New York, NY

Manufacturer:

Unknown

Witnesses:

Alex F. Roberts

J. M. Covington

Patent Dates:
Granted:	Jan. 19, 1869

Patent Pictures: [ 1 | 2 | 3 | 4 ]

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Description:

An example appeared on ebay. Rule is mahogany and measures 16 7/8" long. It is stamped "MNFD BY L. MORGAN & SON, 650 E 12 ST. N.Y. ". Also stamped on the wheel on top "PAT. JAN. 19, 69"