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Inventors at work, with chapters on discovery (1906)

Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 385

An illustration from Inventors at work, with chapters on discovery, 1906, leaf 385
onal Observatory at Washington. The charge for this serviceis one dollar a month. To-day a designer always seeks to make a machine self-acting,to limit the operators task to starting, directing, and stopping, allwith the utmost facility and the least possibleexertion. So far has success gone in… … Stop-motion. FEEDING MECHANISM 331 will stop of itself and no harm will be done, the only loss consist-ing in the time during which the wheels and levers have lain idle.A stop-motion at its simplest is a fork through which the threadtravels; as the thread moves forward, the fork is bent…

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