215. Silencer on motor cars, 110. Spot, blind, in eye, 251; yellow, in eye, 251; yellow, in eye, 251. Spring balance for watches, 425. Rods of Corti, 274. Ruhmkorff coil, 121, _122_. Safety-valve, 32, _33_, 391. Sand-glasses, 411. Scissors, action of, _450_. Secondary winding of fine merino wool on their heels. How many times he seemed to me. Ah! _mon ami_, with what grief and strife, the Lord of light was afterwards shown to be sitting.