Britannic calculating machine



Britannic calculating machine

Calculating or adding machine 'Britannic' with wooden case made by Guy's Calculating Machines Ltd. The model is a copy of the Brunsviga and was first produced during the first world war. It embodies improvements patented by Frank E. Guy, including a setting-lever clearing device for zeroing the levers by a single movement, interlocking mechanism, and a new barrel construction giving greater rigidity to the setting levers.

Image related to item 1994.95
Image related to item 1994.95
Record number:1994.95
Simple name:calculator adding machine
Classification term:work and play
Date:1930 1960