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The Complete History of The Burroughs Adding Machine - History-Computer
American Arithmometer Company - Wikipedia
Adding Machines -- Full-Keyboard – Burroughs | National Museum of American History
My 1971 Burroughs C3155 calculator. It was made before they decided on how digital number displays should look. That zero at the end is not a mistake.. That's actually how it's supposed
Burroughs
William Burroughs | Lemelson
How America's First Adding Machine is Connected to 'Naked Lunch' | Smart News| Smithsonian Magazine
KRYSTAL M. BOND William Seward Burroughs CALCULATOR. - ppt download
William S. Burroughs – Complete Biography, History, and Inventions - History-Computer
Burroughs Calculator - Etsy
John Wolff's Web Museum - Burroughs
The Patent Behind the Calculator | RPX Corp
William seward burroughs hi-res stock photography and images - Alamy
This calculating machine eased the monotony of clerical work - This Day in Patent History - Patent Yogi LLC
William Seward Burroughs I - Wikipedia
NIHF Inductee William Burroughs Invented the Calculator
iCode Edmond - William S. Burroughs receives a patent for his calculating machine and within a year had produced 50 machines. They proved to be difficult to use but he soon improved