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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
75 R
Controller
Germany
Aluminum
est. 1960
Dia. = 7.3 cm
General Purpose
Notes:
"1) Well made with a plastic cursor and moving disk on a fixed disk. 2) The case lists a company in Oakland, California, USA (Silver Bells Limited)"
Image 1
Image 2
Image 3
