Steam engines, a thorough and practical presentation of modern steam engine practice (1920)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 167
it is evident thatfor a given speed of the engine there is but one possible position forthe governor, consequently one definite amount of throttling or onepoint of cut-off, as the case may be. If the load varies, the speed ofthe engine will change. This causes the position of the governor ballsto…
Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.