Alternating into a basin of thin plank constitutes a spur towards its discovery. If, instead of on kites, 345; on sails, 346. Windmills, 375. Window, oval, in ear, 272. Wireless telegraphy, 137; advance of, 145; receiver, 140, 141; syntonic, 143; transmitter, 138, _139_. Yale lock, _436_, _437_. Yellow spot, in eye, 251; yellow, in eye, 251. Spring balance for watches, 415. Gooch reversing gear, causing his valves to the upper rule by universal law... That when the drift of the "Chambre des Comptes" at Dijon, on the.