CASS/ER'S MAGAZINE. 46 less efficient the apparatus would be. the point of support, while in the former For the vane has an angular motion it operates a submerged pump directly, about its point of support, its lower im- by means of a connecting-rod attached mersed end moving through a greater to… … Fig. 115. distance than the portion at the surface That some power can be obtained by these devices is beyond question, but of the water. But we have above seen their efficiency is hampered by the fact that the horizontal motion of the parti- that while at first sight it would seem cles is greatest…
Engineering
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