CHM Revolution

Date Introduced

1988 ca.

Photographer

Richards, Mark

Dimensions

overall: 1/4 in x 3 1/2 in x 2 1/4 in.

Manufacturer

Nestler-matho

Copyright Owner

© Mark Richards

Location

Germany

Keywords

Pocket size; Business; Personal digital assistant; Electronic calculation

Object ID

102628750

Nestler was a German slide rule manufacturer that survived – by making promotional trinkets like this calculator give-away for Ardent Computers.