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 468
f the armature wires were con-nected to collector rings the current in the outsidewires would be reversed every time the position of thewire in the armature were changed from the influenceof one pole piece to that of the other. If the coilsconstituting the armature are connected to a devicecalled… … FIGURE 22. placed on the shaft of the armature so that it rotateswith it, as shown in Fig. 22. The brushes press uponits surface and collect the current from the bars. (SeeFig. 31.) The function of the commutator is to changethe connections of the armature coils from the + orpositive to the…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-433-249.webp)
