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 389
e opposite endof the cylinder. The second function is full port opening,Fig. 118, the crank having moved through 60° and the 376 Steam Engineering eccentric is now at 180°, the farthest point of its throwin that direction, the valve being at the end of its travel.At this point it might be well to… … FiG.v lis the width of each steam port to be ll^ inches and the out-side lap to be 1 inch. In Fig. 118 the valve is at the ex-treme end of. its travel towards the right and is about toreturn. It first covers port number one=li4 inches. Nextit moves to mid travel lap number one=2i/4 inches. Itsnext…