Burroughs Adding Machine (1911)
Burroughs Adding Machine
Fully restored, large professional adding machine.
Burroughs Accounting Type Adding and Printing Machine
Another early hand-crank, mechanical machine. This one had 126 keys.
History of Computing
An Encyclopedia of the People and Machines that Made Computer History
Copyright © 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2
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