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 473
trouble of thisnature increases so rapidly that unless the attendantimmediately sets about to right it, a burned out arma-ture is almost sure to be the consequence sooner orlater. In alternating current dynamos, where brushes A ELECTRICITY FOR ENGINEERS rest on collector rings instead of… … figure 26. are probably the most important parts with which theengineer has to deal. Great care should be taken thatthe brushes set squarely on the commutator and thatthe surface of the brushes and commutator are assmooth as possible. It is a good plan, and in some ELECTRICITY EOR ENGINEERS 55…
