Eccentric, 52 , 53; setting of, 53. Edison, Thomas, 310. Edison-Bell phonograph, 310. Electricity, current, 115; forms of, 113; nature of, 112; static, 114. Electric bell, 119, 120 ; signalling, 225; slot, 226. Electroplating, 185, 186 . Electro-magnets, 117. Endolymph, 272. Engines, compound, 59; donkey, 68; double-cylinder, 47; internal-combustion, 87, 95; reciprocating, 44. Escapement of timepieces, 416; cylinder, 420 ; lever, 421, 422 . Ether, 270. Eustachian tube, 276. Eye, human, 246, 247 ; self-accommodation of, 248.
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