The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 149
ment. 1163. Cylinder escapement. 1164. Pendulum and double ratchet wheel escapement. 1165. Enlarged plan of cylinder escapement. 1166. Lever escapement. 1167. Double pawl and pin wheel escapement. 1168. Three-leg pendulum escapement. 1169. Self-sustaining ratchet motion. Pulling the cord A throws… … 144 ^^^ ENGINEERS SKETCH-BOOK. 1172. Spanner ratchet; a simple spanner having a pin near one end of one of the jaws which slips into the teeth of the rachet wheel. 1173. V pawl; operates by wedging itself between the V flanges. 1174. Gravity pawls and ratchet wheel. 1175. Ratchet wheel, used to…
Mechanical movements
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