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 507
ly the rheostat arm will settle, the spark will 88 ELECTRICITY FOR ENGINEERS become constant, and the machine will give its propercurrent. Then clamp the rocker and rheostat-armtogether and let the machine regulate itself. This method is much better than opening theswitches on the machine and… … figure 48. unless the machine is run from the beginning on a veryfull load. The machine will require a trifle longer spark onlight load, or on bad circuits, than when running atfull load. This fact should be borne in mind in wetweather, when trouble with grounds is experienced. A reliable ammeter…
