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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
4093-3
Keuffel & Esser
USA
Celluloid on Mahogany
about 1932
25 cm
Engineering
Notes:
Serial number 430654. Missing a cursor. Rule has hyperbolic scales. Once the proud possession of Texas Aggie Ewell O. Tabor
Image 1
Image 2
Image 3
