Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Disk
75 R
ControllerGermany
Aluminum
est. 1960Dia. = 7.3 cmGeneral 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




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Image 3