Felt and Tarrant Macaroni Box Prototype Comptometer

By admin , 15 December 2015
Macaroni Box Prototype Comptometer
Description

Dorr Felt started his first prototype during the US Thanksgiving holidays of 1884. Because of his limited amount of money, he used a macaroni box for the outside box, and skewers, staples and rubber bands for the mechanism inside. It was finished soon after New Year's Day, 1885.

Year First Manufactured
1885

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