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 1009
Fig. 401 In Fig. 401, which is a side elevation, it will be seen thatif lever S is moved in either direction, the rods m m will … Fig. 402 cause shaft M to rock, thus moving the pilot valve bymeans of valve rod L. Moving the pilot valve will either
