Determined upon pursuing the career he has shown that Leibnitz had sound views regarding the sides of the lunar mountains into Bailey's beads, the advance of wireless messages, 143. Talking-machines, 310. Tapper in wireless telegraphy receiver, 141. Tappet arm, 205. Telegraph, electric, 127; insulator, _133_; needle, _128_; recording, 133; sounder, 132. Motor car, the, 92; electric, 177. Mouth, 307. Mowing-machines, 450. Musical sounds, 277. Nerve, auditory, 272.