Word: turnspit
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Constructed from Leonardo's drawings, at a cost of $250,000, were more than 200 models of his inventions, in almost all of which he anticipated later inventors. Some of the contraptions: a jack (see cut); a turnspit driven by the draft of a chimney; a machine for cutting files and rasps; a printing press with movable type; an olive oil press such as is still used in Italy; a pile driver; an automatic saw; an automatic gear, like the differential in an automobile; a flying machine, whose bird-like wings were supposed to be powered by the operator...
...eyes and fingers to give so and so many turns to such and such bolts as they pass by in an endless, changeless stream from morning till night; a sort of machinery that gets in the habit of doing its particular bit of work like the dog on the turnspit and requires about as much intellegence. It is this habit in factory work of which Mr. E. D. Smith will speak at 9 o'clock this morning in Emerson...
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