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 578
tment forspecial circuits of variationgreater than one ampere ismade by filing the soft ironarmature. The clutch shouldbe so adjusted that the cen-ter of the armature is f|- in.above the plate when the tripon the first rod is touchingthe bushing, and \\ in. when the trip on the second rod is in a… … FIGURE 91. 160 ELECTRICITY FOR ENGINEERS should be run a short time before installing. Lampsshould not be tested in an exposed place, as a strongdraft of air will cause unpleasant hissing which may bemistaken for some internal trouble. Lamps should not hiss or flame if good carbons areused. A…
