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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Hoffman Products / Duplolog No. 651U
Duplolog
Denmark
Plastic
est 1950-1960's
12.5 cm
General Purpose
Notes:
Pocket slide rule with instructions
Image 1
Image 2
Image 3
Image 4
