Didn’t Hero of Alexandria attach his steam engine to some kind of a door-opening mechanism ? Granted, he probably wasn’t too concerned with “doing work without using the power of living creatures”, what with all the cheap slaves hanging around, but still, at least he knew it could be done...
Didn’t Hero of Alexandria attach his steam engine to some kind of a door-opening mechanism ? Granted, he probably wasn’t too concerned with “doing work without using the power of living creatures”, what with all the cheap slaves hanging around, but still, at least he knew it could be done...