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We are building a page of links to information on our namesake:
Ada Augusta, Countess Lovelace
Meanwhile:
[The Analytical Engine] might act upon other things besides number,
were objects found whose mutual fundamental relations could be expressed
by those of the abstract science of operations, and which should be also
susceptible of adaptations to the action of the operating notation and
mechanism of the engine. Supposing, for instance, that the fundamental
relations of pitched sounds in the science of harmony and of musical
composition were susceptible of such expression and adaptations,
the engine might compose elaborate and scientific pieces of music
of any degree of complexity or extent.
— Ada Lovelace
Notes to Luigi Menabrea,
"Sketch of the Analytical Engine invented by Charles Babbage Esq" trans. A. Lovelace
Richard Taylor, Scientific Memoirs : 694 1843
www.fourmilab.ch/babbage/sketch.html>
Ada saw something that Babbage in some sense failed to see.
In Babbage's world his engines were bound by number...
What Lovelace saw... was that number could represent entities other than quantity.
So once you had a machine for manipulating numbers, if those numbers represented
other things, letters, musical notes, then the machine could manipulate symbols
of which number was one instance, according to rules.
It is this fundamental transition from a machine which is a number cruncher
to a machine for manipulating symbols according to rules that is the fundamental
transition from calculation to computation—to general-purpose computation.
If we are looking and sifting history for that transition, then that
transition was made explicitly by Ada in that 1843 paper.
— John Fuegi, Jo Francis
"Lovelace & Babbage and the creation of the 1843 'notes'"
Annals of the History of Computing, 25 (4): 16–26 2003
doi:10.1109/MAHC.2003.1253887 S2CID 40077111
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