Emerson, William, 1701-1782 · London : Printed for J. Nourse · leaf 134
n it; fo that it maybe fet to the true time. I 2 The ii6 A DESCENDING CLOCK. Fig. The weight W ferves for two ufes, i, to be a63. counterpoife to the fide A; and 2, by its weightto put the clock in motion. The weight W muft be fo heavy as to makethe clock keep time, when it has a proper de-gree of… … TlJE/>a.2ip:
Mechanical engineering
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