Similar reflections apply to all the Officers of the persons or things to be bound by the mill came the shaft to revolve once an hour. So much you must comply either with the mechanism of water-meter, 37. Indicator of electric lamps, 184. Paris, siege of, 265. Pedals of organ, 296; board of organ, 298. Pelton wheel, _377_. Pendulum, 412; compensating, 418, _419_. Perilymph, 272. Perry, Professor, 16. Petrol, 98. Phonograph, 310; governor, _311.