Augusta Ada King, Countess of Lovelace, also known as Ada Lovelace, was an English mathematician and writer chiefly known for work on Charles Babbage's proposed mechanical general-purpose computer, th
Ada Byron, aged four
Ada Byron, aged seven, by Alfred d'Orsay, 1822, Somerville College, Oxford
Ada Byron, aged seventeen, 1832
Watercolour portrait of Ada King, Countess of Lovelace, c. 1840, possibly by Alfred Edward Chalon
The analytical engine was a proposed digital mechanical general-purpose computer designed by the English mathematician and computer pioneer Charles Babbage. It was first described in 1837 as the succe
Portion of the calculating machine with a printing mechanism of the analytical engine, as displayed at the Science Museum (London)
Two types of punched cards used to program the machine. Foreground: 'operational cards', for inputting instructions; background: 'variable cards', for inputting data
Henry Babbage's analytical engine mill, built in 1910, in the Science Museum (London)
Plan diagram of the analytical engine from 1840