Originally published in 1908, this book is made up from material originally published in Power, together with some special articles which have been prepared to make it a complete handbook of the subject. Topics covered include evolution of the shaft governor, general definitions and rules, adjusting the Rites Inertia Governor, The Buckeye Engine Governor and its adjustment, straight-line engine governor, the ideal engine governor, the Fitchburg steam-engine governor, the American-Ball balanced automatic governor, Curtis steam turbine governors, and changing the speed of pendulum governors.