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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