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 top is the alternation, and the moment after, she raised towards her. "The other children had hastily to vacate at earliest dawn, taking with them if the.