3 3 c m
40cm
actual image size: 32cm x 25cm
Description
The printer of this desktop calculator used adding machine paper, and printed with a red/black ribbon. The LED (light-emitting diode) display was optional, although there was a single LED dot to show when the machine was busy. Made by Hewlett Packard.
Image Details
Image Ref.
10307855
© Science Museum / Science & Society Picture Library