face of the cone. It now only re- the motor which actuates them, qualities of a peculiar nature. They must be able to revolve with great speed and lings. regularity, while at the same time possessing strength, sim- They are free from all rotating pins, bolts, levers, and To uncouple the same, the… … closes it at the instant at which ex- The method of applying the inter- pansion is to be effected. A B is g mediate substance is by perforating the periphery of the cone, as shown in Fig. 1 and 2, corre- sort of valve which separates the cylinder into two parts, is reversed. The clutch shown in…
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