Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 830
dependsupon the strength of the spring—other things being supposed equal; and the strength is in-fluenced by the length. A short spring, of equal thickness with a long one, is very muchmore elastic; hence, by shortening the balance-spring, we increase its elastic force ; whilstby lengthening it, we… … piece will gain when the spring is shortened, and will lose when its length is increaseil. It is b^slightly altering the length of this spring that a time-keeper is regulated, so as to go faster or slowe-than before. The contrivance by which the pendulum or the balance is connected 3T44. with the…
Mechanical engineering · Mechanics · Engineering
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