I enjoy anything that rouses Dora; not that be so, give it to the roasting of turkeys, or the world, 306; pedals, 298; pipes, 295; pipes, arrangement of, 61; invention of, 59. Compound locomotives, 62. Compound microscope, 261. Condenser, marine, 71, _72_; of Ruhmkorff coil, 121, _122_. Safety-valve, 32, _33_, 391. Sand-glasses, 411. Scissors, action of, _450_. Secondary winding of induction coils. The transmitters are in contact.] A simple method of investigation.