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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
30
Hemmi
Japan
Celluloid on Bamboo
1932-1942
10 cm
Basic Calculation
Notes:
"Older-style,charming and quite tiny bamboo rule—with seven scales: A, B, C, D, S, T and L. Note ""SKF"" embossed into backing plate."
Image 1
Image 2
