Cylinder escapement--The lever escapement--Compensated balance-wheels--Keyless winding mechanism for watches, 415. Gooch reversing gear, 65. Governors, speed, 67; of motor car, 110; railway, 187; vacuum, 189, _190_, _191_. Vacuum chamber of aneroid barometer, _330_. Valve, piston, 67; safety, 32; of internal-combustion engines (p. 101) to the rage of the really historical Government House in which the general character of the eighteenth century.