Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 301
w in one direction, their inventorwas no doubt gratified at his skill. In the heart within his ownbreast, in his veins and arteries, were simple valves engaged in asimilar task as they directed the currents of his blood. In pumpssuch as are common in farm-yards, the action is jerkv, the… … Human hip joint in section. FromThe Human Body, by H. N. Martin,Copyright, Henry Holt & Co., NewYork, 1884. Reproduced by their per-mission. Valves of veins. C, a capillary; H,the heart end of thevessel. From TheHuman Body, byH.N.Martin. Copy-right, 1884, HenryHolt & Co., NewYork, and…
Inventions · Inventors
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