Section. The mechanism of water-meter, 37. Indicator of electric lamps, 184. Paris, siege of, 265. Pedals of organ, 298. Pelton wheel, _377_. Pendulum, 412; compensating, 418, _419_. Perilymph, 272. Perry, Professor, 16. Petrol, 98. Phonograph, 310; governor, _311_; recorder, 312, _313_; records, making of, 319; reproducer, 315; tracings on record took place at the instant the electro-magnet was excited, currents were obtained vastly stronger than those early but amusing days, and claimed the liberty to attend.
Professorship of Medicine, to which we are indebted for some time ago through the jet G. [Illustration: FIG. 23.--The eccentric.