Pulleys may be detachably connected to a shaft by friction clutches, so that they may be thrown in and out of engagement at will.
The truce of Ratisbon (Regensburg) imposed upon Spain completed the work of the peace of Nijmwegen (1684); and thenceforward Louis XIV.s terrified allies avoided his clutches while making ready to fight him.
The maximum load on the engine is thus greater and more power is required than for fixed drums. Steam consumption is economized, whenever possible, by throwing in the clutches of both drums and hoisting in balance.
Oh, by the by!" he shouted through the doorway after Pierre, "is it true that the countess has fallen into the clutches of the holy fathers of the Society of Jesus?"