US Patent: 438,750 - Protractor Bevel


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US Patent: 438,750

Protractor Bevel

Patentee:

Edward E. Harrington (exact or similar names) - Everett, MA

USPTO Classifications:

33/473

Tool Categories:

layout tools : bevels

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

K. Durfee

O. M. Shaw

Patent Dates:
Applied:	Jun. 11, 1890
Granted:	Oct. 21, 1890

Patent Pictures:

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Description:

Very interesting metallic bevel with a geared pivot and preset angles on a disc, as well as a slotted stock reminiscent of the Stanley #30 angle divider.