Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 225
pushed outwards bythe clock almost sufficiently far for the arm to escape,but not quite, so that the pendulum just releases thearm at the end of its swing in the same manner as inMudges escapement. Fig. 94; but instead of the teethof the escape wheel pushing the rods outwards there isthe small… … Fia. 9/).—Gravity Escapement (Bloxam). rest against the teeth of this wheel, one resting againstthe teeth at the top and the other at the bottom, so that CHAP. XIti.] TilE CLOCK AND CHRONOMETER. 201*> they catch against the teeth after the manner of aratchet, and the rods are pushed outwards by…
Astronomy · Telescopes
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