Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · 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. IIS the width of each steam port to be 1% 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—214 inches. Itsnext move…
