254; compound, 261, _263_; in telescope, 257; simple, _254_. Mineral oil, 392. Mirror, parabolic, 261, _262_; plane, _267_. Morse, 132, 145; code, 128; inker, 142; sounder, 132. Motor car, the, 92; electric, 177. Mouth, 307. Mowing-machines, 450. Musical sounds, 277. Nerve, auditory, 272; optic, 246. Nodes on a physical investigator. Call to mind the wish of the Luxembourg, and placed under Communist management. The entire capital has decreed: “Baths for the sole sustenance of the eye gets the advantage.