Addiator Duplex (1171)
Index: 1171
Year: 1920's ??
Maker: Addiator Gesellschaft, Berlin, Germany
Dimensions: 14 x 10 x 1 cm (etui)
Info
Vintage mechanical calculator with an "Addition" side and a "Subtraction" side.
Inscriptions on etui:
ADDIATOR
Inscription on device:
Addiator
Duplex
References/Links/More Info
Rechnerlexikon - Addiator Besuch - Pictures of factory (German)
