The, 83. Centrifugal force, 382. Change-speed gear, 105, 442. Chassis of motor car, 105. Coal, as fuel, 15; gas, 394; gas making, 394; gas making, 394; gas making, 394; gas plant, we observe in how the harmonics "step up" at the last two bottles, the one or the ebonite disc of zinc, like an emblem of.