Science, Technology & Medicine

Comptometers
Comptometers
These mechanical calculators had been around since 1887, and were unique in that the
operator could enter the digits comprising each operand simultaneously, using as many
fingers as required. Thus, skilled operators could perform calculations very quickly indeed.
An electronic version was introduced in 1961.

Registered users can log in to post comments or submit items for the galleries.

Login Register

There are 0 comments for this item.



Bookmark and Share

Most people find us by word of mouse. Please share our URL,
https://www.bbemuseum.com/museum/ with your friends!
This site is brought to you using 100% recycled electrons.

Total trivia questions served: 2,092,897