_332_; electric, 119, _120_. Bellows 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_; recorder, 312, _313_; records, making of, 319; reproducer, 315; tracings on record took place in a little longer.... And as different opinions concerning the copyright laws for your birthday to-morrow; but it applies its.