[temporary alphabetical list: power producing equipment]animal treadmillsanimal-powered sweepsbreast waterwheelsbearingsbearing blocksblowing engine compressorsconnecting rodscarburetorsclutch housingsdrivelinesduplex air compressorsdynamotorselectric motorscranksdifferentialsgasoline enginesgasoline generatorselectrical batteriesengine filtersengine mountsexcitersexhaust pipesfuel pumpshorsepower indicatorshot air engineshuman treadmillshuman-powered sweepsidlersinternal combustion turbinesjackshaftsgravity batteriesgrease fittingsjournal boxeslineshaftsliquid fuel enginesmagnetosmanifoldsovershot waterwheelspelton wheelsnuclear control rodsoil traction enginesrotary compressorsrotorspistonspneumatic motorspower boilerspower transmission beltspower transmission componentsradial enginesreciprocating enginestreadlestub waterwheelsturbo compressorsshaft couplingsshaft hangersundershot waterwheelsuniversal jointswater generatorswet-cell batterieswind generatorswindmill weightssolar batteriessolar furnacessolar reflectorssolar shieldssparkplugssteam gas enginessteam generatorssteam power boilerssteam traction enginessteam valvessullivan angle compressorssweepssafety blow off weightspower producing equipment