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Scientific Apparatus
Keuffel and Esser rolling parallel rule

Keuffel and Esser rolling parallel rule. 18 in. Model 1758. Brass construction and encased in wooden box. ca 1930s

ID: 2001-00437
Housner, G. W. (George William), 1910-2008 (Engineer)

Creation Jan. 1, 1935


Topics: Civil Engineering

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