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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk on rectangle
Concise
Japan
Plastic
est. 1960's
Dia. = 3 cm
Chemistry
Notes:
Sama & Etani (Boston) Circular SR with elements table + internal pull out constants & data card
Image 1
Image 2
Image 3
Image 4
Image 5
