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 431
g the outlet stem head, connect the eccentric-rod to theeccentric, lengthen or shorten this eccentric rod so thatthe travel of the valve due to one revolution of the eccen-tric will move the tram from the first to the third prick-punch mark; and no farther. The eccentric should then be set so that… … Fig. 150the fitchburg engine, showing the valve gear Valves and Valve Setting 419 As these valves must be set while the valves are out ofsight, a strict adherence to these rules of adjustment mustbe followed, care being taken to be accurate on all points.