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Scientific Apparatus
Keuffel and Esser precision protractor

Keuffel and Esser precision brass three-arm protractor. Model 3778. Housed in oak box. Ca 1920s.

ID: 2001-00446
Housner, G. W. (George William), 1910-2008 (Engineer)

Creation Jan. 1, 1920


Topics: Civil Engineering

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