Scientific Instruments > Calculating

Addometer, Addition Machine.

Item#: SCI1161

SOLD

 

This machine was made by the Typewriter and Adding Machine Corporation, London, in the beginning of the 20th century. It is capable of adding, subtracting and multiplying. This model can also add pennies, Shillings and Pounds. (12 Pennies to the Shilling, 20 Shillings to the Pound etc.)