Addometer Model A
physical object
Identifier
2024.39.55
Description
The Addometer is a dial adding machine with the ability to add, subtract, and multiply. It was introduced in 1927 and manufactured by the Reliable Typewriter & Adding Machine Corporation of Chicago, IL. It comes with a metal stylus for turning the dials and includes a ruler along the top edge. This is the Model A which was adapted for the use of fractions and decimals.
Related Term
Adding Machines (describes)
