* Babbage's difference engine was a printer and a proto-computer - - the two functions weren't done by separate devices per se, ie it was one thing - a proto-computer-printer / difference engine

> Babbage did not have at his disposal the modern forms of logic that arose from the work of George Boole in the late 1840s

> the machine, it goes without saying in the 1833, was intended to be driven by a small steam engine.

🚂

* Before Babbage used punchcards, the way to "program" was by screwing pins into a "barrel"

* "cycles" is Babbage's term for for-loops

https://mega.nz/file/AhhFQKaS#xn1AALuj40sODUVaBEcmI4RxkDR0x67GGdeLU3KPej0