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 1275
Fig. 563 CONSTRUCTION OF FIGS. 559 AND 562 1240 Steam Engineering … ■vQ&Qflr^^r L--Qi 5 ^o -<y sQSiSJLQr* ■N.-U § <* * S I ¥|W f &5 -Oi r<y