Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 306
Fig. 238 Fig. 239 Fig. 240 ing current are wasted away approximately the same, theupper one being consumed a little faster than the lower one.An alternating-current arc is shown in Fig. 240. The lightemitted by the alternating-current arc lamp is not steady, butpulsates in value with the change in…
Electrical engineering
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