Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 599
osions have occurred fromthe jamming of the spindles in the guide, in consequence of an altera-tion of shape in the steam-chest when the pressure came on. Fig. 1558 represents the safety-valve of a locomotive engine, whichis of the steelyard kind, and the end of the lever is kept down by aspring.… … ENGINE, VARIETIES OF THE STEAM. 589 The ordinary method of feeding land boilers by a head of -water may rank among these contrivances:it is shown in Fig. 1559. A float, which is usually made of stone or iron, is so balanced, by means of acounterweight, that it rises or falls with the fluctuations…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
