A stamp printed in Germany shows Schickard's Calculating Machine, 350th anniv. of the calculator built by Prof. Wilhelm Shickard, University of Tubing
A stamp printed in Germany shows Schickard's Calculating Machine, 350th anniv. of the calculator built by Prof. Wilhelm Shickard, University of Tubingen, circa 1973
Size: 3753px × 3153px
Photo credit: © Zvonimir Atletić / Alamy / Afripics
License: Royalty Free
Model Released: No
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