Felt and Tarrant Macaroni Box Prototype Comptometer

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1885
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.

Edited by Unknown
Edited by eli test
Legacy Content: Unknown Author
Hardware Type
Calculators › Mechanical Calculator
Manufacturer
Felt & Tarrant Manufacturing Company
Model Number
Macaroni Box Prototype Comptometer
Launch Date
1885

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