Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 203
ck train is shownin Fig. 87, where w is the weight, hung by a cord j^assingover the barrel b, on the axis of wheel G. The teeth ofthe wheel G gear into the pinion p^, which again iscarried on the axis of the wheel c, and so on up the last N 2 180 STARGAZING: PAST AND PKESENT. [book 111. wheel—the… … Fig. 87.—The Clock Train. it goes round once an hour or to sixty turns of theescape-wheel. To wind up the clock the barrel B, Fig, 88, is turnedround by the key on the square ; the pawl l fastened to the CHAP. XIII.] THE CLOCK AND CHRONOMETER. 181 wheel G allows the barrel to be turned in one…
Astronomy · Telescopes
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
