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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Paper Calculating Slide Rule / P3188
Blundell Harling Ltd.
England
Plastic
c 1969
27 cm
Paper and Printing Industry
Notes:
"Permits easy calculation of paper standards, constants, and equivalants, metric conversions etc."
Image 1
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Image 4
