Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 367
ns may bemaintained indefinitely by the continuous rotation of theshaft. This illustrates on a cruder and more visible scalethe type of action involved in the use of the bow. 263. Trevelyans Rocker.—We now pass to the first example of a vibration maintained by the periodic com-munication of heat…
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