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 1279
r. 1 Hand-wheel for operating rheostat. 1 Two-point potential receptacle connected to voltmeter. 1 S. P. S. T. positive lever switch, with fuse mountedback of panel. One Exciter Panel in every switchboard is furnishedwith the following additional switches: (as in Fig. 572.) *D. C. Generator… … Case j3 otherw/se as Case /?>9TG Pane/ with} 7ypef~fdrm KSwtcH Coup//n(? /25Vo/t DC. Buseson (?// Switch :± /ndicat/ng Wattmeter J 7ermino/B/ocA On O//Switch Wattmeter^, Synchron/z/ngP/ugsStarting/ IPoj > ffunn/ngSynchronizing Buses 7d EmergencyCovernor on Turbine —-v Oi/Sw/tch Operot/na3uses…
