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 1277
les of d. c. feeder panels 1241 Fig. 565a. c. generator panel lar row any variation in the deflection of the pointers isreadily detected. i The current transformers serve to operate the ammeters^nd the automatic release on oil switches. _^ 1242 Steam Engineering c***>r Case JO otnerwise as Case… … 8vxs Synchron/x/np Suse9 Tbfrneroency(Governor on 7urbine Oi/Switch Operating//Buses on Pone/ Ground 3us Potentio/Transformer