The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 166
and which was devised bj^ H. M. Stoller, is shownin Fig. 65. Here the tube is used to regulate the voltage suppliedby a wind-driven generator such as has been used on airplanes.The generator is designed to supply a high voltage for the platecircuit of thermionic tubes and a low voltage for heatmg… … Fig. 65
Telegraph, Wireless
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