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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
480
Concise
Japan
Plastic
est. 1960's
Dia. = 10.5 cm
Calendar Functions + General
Notes:
1) One side is used for checking calendar functions such as elapsed days 2) The other side has the same scales as the Concise 300 and would be used for general purpose calculations
Image 1
Image 2
Image 3
Image 4
