A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 64
g on a spindle passingthrough its edge from side to side, and by turning which moreor less the opening through the pipe will be more or less closed.The extent to which this valve is opened or closed is deter- DESCRIPTION OF THE WORKING PARTS. 47 mined by the governor, d, the balls of which, as they… … substantially of two heavy balls attached to arms fixed upon anupright shaft, which is kept in revolution by means of a corddriven by a pulley on the fly wheel shaft. The velocity with 48 DESCRIPTION OF THE CYLINDER VALVES. which the balls of the governor revolve being proportional tothat of the…
Steam engineering · Steam-engines
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