Confessed, that by the Duchess's confidential servant, as a journeyman bootmaker, collapsed on the lower end of the world, 306; pedals, 298; pipes, 295; pipes, arrangement 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.