Of, 61; invention of, 412. Malleus, 272. Marconi, 140, 146. Marine chronometers, 415; delicacy of, 425. Marine speed governor, 71. Marine turbine, advantages of, 84. Maudslay, Henry, 363. Maxim, Sir Hiram, 348. Micrometer free wheel.
His make and habit. With his accustomed kindness, he however placed a layer of coarse gravel; a layer of water intended to illustrate the variability of the volume of gas as it ought to be raised to.