Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 97
on whose axis the second-hand is placed. It is connectedby cogs with another wheel, which is made to occupy sixty timesas long in revolving, and this carries the minute-hand; and this isconnected with another wheel, which revolves in twelve times theperiod, and carries the hour-hand. Thus the… … GENERAL PROPERTIES OF MATTER. 73 number of revolutions of the minute-hand up to twelve, or halfa day. If the pendulum and escapement were removed from a clock,there would be nothing to prevent the train of wheels from beingturned round with great rapidity by the weight or spring actingon it, and…
Matter · Heat
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