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File:CalculatingMachinePatentBurroughs.jpg
From Wikipedia, the free encyclopedia
Found in articles
File:CalculatingMachinePatentBurroughs.jpg
Description
Calculating
Machine
Patent
Burroughs
.
jpg
English: Drawing for a
Calculating
Machine
, 08/21/1888. This is the printed
patent
drawing for a
calculating
machine
File:388116 - Calculating Machine - William S. Burroughs - NARA - 2524953 (page 66).jpg
institution and stated at its website author name string: Department of Commerce.
Patent
and Trademark Office. (1975) reference URL: https://dp
File:Drawing for a Calculating Machine - NARA - 595511 (page 6).jpg
institution and stated at its website author name string: Department of Commerce.
Patent
and Trademark Office. 1975 reference URL: https://dp
File:Drawing for a Calculating Machine - NARA - 595511 (page 1).jpg
institution and stated at its website author name string: Department of Commerce.
Patent
and Trademark Office. 1975 reference URL: https://dp
File:Drawing for a Calculating Machine - NARA - 595511 (page 5).jpg
institution and stated at its website author name string: Department of Commerce.
Patent
and Trademark Office. 1975 reference URL: https://dp