US Patent: 60,315 - Improvement in Scale Pencils


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US Patent: 60,315

Improvement in Scale Pencils

Patentee:

Benjamin Worcester (exact or similar names) - Waltham, MA

USPTO Classifications:

24/10R, 33/27.032, 33/DIG16, 401/52, D19/36, D19/42

Tool Categories:

layout tools : marking gauges

layout tools : compasses

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Isaac K. Harris

Laurence Bradford

Patent Dates:
Granted:	Dec. 04, 1866

Patent Pictures:

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Description:

This pencil features a scale engraved in the side of it, and a pair of sliding collars with marking points to allow it to be used as a marking gage or compass.