Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
22
Hemmi
Japan
Celluloid on Bamboo
1956 Mar
20 cm
Beginners
Notes:
"Hemmi date code GC. This is as basic as a slide rule gets—the simplest rule I know of. Four scales only (A, C, D and CI)."
Image 1
Image 2
