• Front of Addometer
    Front of Addometer
Addometer
Addometer

Addometer

physical object

Identifier
2022.1.5
Description
The Addometer is a dial adder first created in 1927. This specific model is a rare find, and one of the early models created before it was patented. The logo is quite different, and it has the inscription of "patents pending" beside the logo as well.
Related Term
mechanical calculating devices (describes)

Related people
Heather Douglas (was donor of)
Sarah Khan (is documentarian of)