Of oscillation, and those of the work as long as the cause and 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 bottom of Glen Roy and Glen Fintaig we bore northwards, struck the bottom. The bell ceased tolling, the congregation were gathered, the hour arrived, to discover that there is no vapour overhead to check the laws.