
Title
Pascal's digital counting machine (1642)
Caption
Pascal's (1623-1664) digital counting machine (1642) showing, top, two of the train of number wheels which were viewed through windows in the casing of the machine. Engraving from Denis Diderot "Encyclopedie", Paris, 1751-1780
Date
18th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07094_390000973
License type
Rights managed
Available size
36,6Mb (2,9Mb) / 9,5in x 15,0in / 2840 x 4500 (300dpi)