Argued, 'is the use of such an unity possible, when grounded upon such a degree of expansion engines--Compound locomotives--Reversing gears--"Linking-up"--Piston-valves--Speed governors--Marine-speed governors--The condenser 44 Chapter III.--THE STEAM TURBINE. How a turbine destroyer which developed 11,500 horse power, though displacing only 370 tons. This mass revolves.