Modern buildings : their planning, construction and equipment (1905)
Middleton, G. A. T. (George Alexander Thomas) · London : Caxton Publishing Company, Limited · leaf 190
cut, and it follows, therefore, that the current will not naif of the split tube R is in contact with A, and when be steady if only one coil is used. To avoid this defect the current flows through the coil in the opposite a dynamo is made with a great number of coils spinning between the magnets,… … Diagram orCo/m/iuouaCuRREyrr Ernmo. Fig. 130. uni-directional. A current so produced is called a Con- tinuous or Direct current. Dynamos are sometimes constructed on the principle shown in Fig. 13 1, with two complete rings of copper upon which the brushes press, and with such an ar- rangement it…
Building · Architecture
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