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Bevel Protractor

Bevel Protractor
Object has its original Case. A graduated circular protractor with pivoting arm, it is used for measuring or marking off angles. This instrument was manufactured by Bowen & Company and was first used by the U.S. Army Corp of Engineers before being transferred to the U.S. Geological Survey.

Object ID: USGS-000252

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Page Last Modified: Thursday, October 01, 2009