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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
"Slide Rules, Other"
Monroe / Slide Rule Pencil
Monroe Manufacturing Co.
USA
Metal/plastic
1955-1965
7 cm
Basic Calculations
Notes:
"A boxed piston style mechanical drop pencil that was, as here, often a novelty promotional advertising gift - probably working better as an ad than as a slide rule as it only slides to the right. "
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