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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 478

An illustration from Twentieth century hand-book for steam engineers and electricians, with questions and answers .., 1905, leaf 478
heatabnormally and at the same time wear the commu-tator. In Fig. 31 we have one of the various so-called oldstyles of leaf brush-holders. The end-on brushes aremore generally used in modern practice, because theircontact surface area is not increased or decreased bywear. Consequently the brushes… … FIGURE 31. cised not to allow the brushes to wear in a position sothat their points will be out of diametrical opposition.

Steam engineering · Electrical engineering · Steam turbines

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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