Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1268
Fig. 563 OONSTRUCTION OF FIGS. 559 AND 562 1240 Steam Engineering ^3 r IU -^m-^ 0<Q 3 0 I- ■sfiiflOr^ Is QUI sSiSiSSlr --Ql ? Hip ~CH ,>>4- i9
