Title
Binary calculator
Caption
George R. Stibitz produced the first binary calculator in 1939. Here, an employee at the keyboard of this calculator in 1973.
Credit line
Photo12
Reference
INV00003_STIBITZ
Model release
No
License type
Rights managed
Available size
7,0Mb (304,4Kb) / 4,6in x 5,9in / 1382 x 1772 (300dpi)