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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Hemmi 250
Hemmi
Japan
Celluloid on Bamboo
1951 Jan
25 cm
Engineering
Notes:
"Hemmi date code BA - among earliest Hemmi date codes known. This rule is disarmingly functional, as it has only very basic, useful scales and no highly specialized scales."
Image 1
Image 2
