A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 132
ches first made ? Whatwas the character of those first constructed ? What was the first great improve-ment ? What is said of the chronometers made at the present day ? 292. What is themoving power in clocks ? How does the weight set the clock in motion ? How isthe motion of the wheels regulated ?… … 128 MECHANICS. spring, is substituted for the former as a moving power,while the balance and hairspring take the place of the lat-ter as a regulator. The main-spring is either fixed to an axle capable of revolving, as shown at 0 P in Fig. 140, or is contained within a hollow barrel, connected by a…
Physics
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