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 1142
Operation of Dynamos 1107 The rheostat for this purpose (see Fig. 484) is connectedin shunt with the right field of the generator. Facingthe rheostat with the right binding posts at the bottom,the contact on the right side or No. 1 gives open circuitand throws the rheostat out of use. Point No. 2… … Fig. 484 25 lights; Point 3, 25 lights or less. For use with othersizes of generators, the adjustment of the rheostat must bemade to suit the conditions. When the rheostat is in use, the sparks at the commuta-tor will be somewhat larger than normal, but will not bedetrimental. The controller magnet…