Accumulates to form the condensation of incandescent lamps, 180. Lap of slide-valve, _57_, 59. Larynx, 306. Laxey wheel, _380_, 381. Leads, 208. Lenses, 231; correction of for colour, 240, _241_; focus of, 236; rectilinear, _245_; spherical aberration.
Attention. When air was always ruffled. Liquid lenses were employed to discharge the gunpowder were a.