Dorr Felt
Dorr Eugene Felt (1862–1930) was an American inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine. The Felt & Tarrant Manufacturing Company that he co-founded with Robert Tarrant on January 25, 1889 remained a major player in the calculator industry until the mid-1970s.
Personal facts
![Dorr Felt](/photos/dorr-felt.jpg)
Birth date | March 18, 1862 |
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Birth name | Dorr Eugene Felt |
Birth place | |
Date of death | August 07, 1930 |
Place of death |
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Dorr Felt on Wikipedia
External resources
- http://feltmansion.org
- http://freepages.history.rootsweb.ancestry.com/~wirockbios/Bios/bios2334.html
- http://members.cruzio.com/~vagabond/Man.html
- http://www.archive.org/details/aregisterancest00feltgoog
- http://www.archive.org/details/mechanicalarithm00feltrich
- http://www.bookrags.com/biography/dorr-eugene-felt-wcs
- http://www.feltmansion.org/feltcoffeetablebook.html
- https://archive.org/stream/cyclopaediaofame08wilsuoft#page/154/mode/2up