Plan and side elevation of Babbage's Difference Engine No 1, 1830.
4 0 c m
 
29cm
actual image size: 21cm x 32cm

Plan and side elevation of Babbage's Difference Engine No 1, 1830.

© Science Museum / Science & Society Picture Library

Description

The physical engine would have measured eight feet (2.43m) high, seven feet (2.13m) wide and three feet (0.91m) deep. The drawing shows a version that calculates with 16 digits and 7 orders of difference. Charles Babbage (1791-1871) was an English mathematician, scientist, philosopher and political economist as well as a pioneer of computing and an inventor. His Difference Engine was intended for the calculation of tables of logarithms and similar functions by repeated addition performed by trains of gear wheels.
 

Image Ref.

10303658
 

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