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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 470

An illustration from Twentieth century hand-book for steam engineers and electricians, with questions and answers .., 1905, leaf 470
hat a brush of the proper thickness to collect the cur-rent from the commutator would lap over too many ELECTRICITY FOR ENGINEERS 51 bars of the commutator at one time. Each commu-tator bar should be of the size that will present suffi-cient metal for the carrying capacity of the currentgenerated… … FIGURE 23. of 95 per cent, copper it is usual to allow for each iooamperes a commutator bar surface of i% sq. in. The method of electrical connection between thecommutator bar and the coil of the armature varies indifferent designs. Some builders solder the terminalsof the coils to the commutator…

Steam engineering · Electrical engineering · Steam turbines

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