Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 478
FIGURE 31. cised not to allow the brushes to wear in a position sothat their points will be out of diametrical opposition. … FIGURE 32. In Fig. 31 we show the correct way that this type ofbrush should be set. 00 ELECTRICITY FOR ENGINEERS In Figs. 32 and 33 we show the incorrect way. By remembering that each one of the commutatorbars is the end of a coil, and then just mentally tracingthe current through the coils from…