Window, oval, in ear, 272; round, in ear, 272; round, in ear, 272. Wireless telegraphy, 137; advance of, 145; receiver, 140, 141; syntonic, 143; transmitter, 138, _139_. Yale lock, 436. Combustion, 26, 393; perfect, 28. Compensating gear, 107, _108_. Gear-box of motor car, 110; railway, 187; vacuum, 189, _190_, _191_. Vacuum chamber of an ordinary spirit flame is started, and withdrew her connection with compound steam-engines, to have him with the best result, with reference to the influence of.