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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Belting Slide Rule
British Belting & Asbestos
England
Heavy Card Stock
est. 1930's
9 cm x 20.2 cm
Industrial
Notes:
"Used to size belts for industrial applications, horsepower, width, rubber, leather, diameter, revolutions"
Image 1
Image 2
