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 968
L Fig. 382otis direct current traction machine for overhead instal-LATION ing the cables direct from the motor without the interven-tion of retarding rigging, showed so conclusively the meritsof that principle that the question naturally arose as to the 934 Steam Engineering feasibility of…
