Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 51
rts,and so arranged that a man must always stand upon it in orderto touch any part of the machine. In case of a machine having an insulated frame, if there istrouble from static electricity due to belt friction, it shouldbe overcome by placing near the belt a metallic comb connectedwith the earth,… … Figure 21 Figure 22 Figure 21. Almost any kind of wood, well varnished, is verygood for this purpose. The base frame is screwed to the floor orfoundation and the slide rail (which is used where the dy-namo is belted to the engine to allow the tightening and slack- GENERATORS 49 ening of the belt)…
Electrical engineering
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