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 317
Fig. 247 Fig. 248 transformer is connected to the graphite terminals in theends of the tube, the primary winding being connected tothe source of power, as shown in Fig. 247. The vacuum inthe tube becomes more and more perfect, which decreasesthe efficiency of the lamp, and some means must be…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
