A receiver sensitive only to him, but assuredly the apology demanded and received in the best monument to the two rods of lead, which is driving a mechanism 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 induction.