Artifact Details

Title

Scale and Ruled compass-like drawing instrument

Catalog Number

B138.81

Type

Physical object

Manufacturer

W. B. Pierce Co. Civil Engineers

Place Manufactured

U.S.

Identifying Numbers

Other number 1690832 patent number
Other number 7400E2 number on tag tied to object

Dimensions

1/8 x 4 1/2 x 1 1/8 in.

Description

Copper ruler used for measuring angles and drawing parallel lines.

Category

Pre-computer/other

Lot Number

B138.81