Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 498
Any changes in the valves, such as giv-ing them more lead, compression, etc., and which neces-sitates changing the length of the reach rods connectingthem with the wrist plate, will have to be made while theengine is stopped, although with slow speed engines andthe exercise of caution it is… … Fig. 174diagram in order that the young student may get thesematters firmly fixed in his mind, and that there may bexio confusion. 486 Steam Engineering Eeferring to Fig. 174^ from C to B is the compressioncurve, which in this particular diagram is somewhat lighterthan is ordinarily given to…