Controlled-Key Comptometer Adding and Calculating Machine

Book details

Title
Controlled-Key Comptometer Adding and Calculating Machine
Publication year listed
1915
Format
Public domain eBook
Reading access
Free online reader; no registration required
Source record
View on Archive.org

About this book

Controlled-Key Comptometer Adding and Calculating Machine

Author: Felt & Tarrant Mfg. Co.

Year: 1915

Controlled-Key Comptometer Adding and Calculating Machine Felt & Tarrant Mfg. Co. 1915-1920 Form 326 24 page stapled booklet This is a promotional booklet for the Comptometer. It lists various businesses that use Comptometers and what they use it for, as well as addition problems that the Comptometer can do very quickly. The cover shows a model F Comptometer, so it was probably printed between 1915 and 1920.

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