Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 117
Fig. 45. 2500 volt Alternating Fig. 46. Diagram of Arrester Current Arrester. Mechanically shown in Fig. 45. lengthened gap type. at N is not changed by the operation of the Arrester. Thearc is thus drawn out until broken inside the tube, whichis practically air tight and prevents flying sparks or…
Electricity
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