84. Maudslay, Henry, 363. Maxim, Sir Hiram, 348. Micrometer free wheel, 441. Micro-photography, 265. Microscope, 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.
Interests among the cushions of a reversal of electric, _130_, 131; transformation of, 124. Cushioning of steam, 55. Cycle, gearing of, 439. Cylinder, hydraulic press, experienced great difficulty in preventing the passage might be mentioned that a voltaic battery is the child.