Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 412
at the time of its erection ; or conversely, wecan so settle these conditions when erecting the line that OIL INSULATOR. 393 the greatest possible stress in winter shall still leave asufficient factor of safety. The posts, insulators, method of erection, use of guards,brackets, etc., are all… … insulator, which makes surface leakage impossible.Many forms of these insulators are in use, but the oneillustrated in Fig. 124 may serve to show the principle.The insulator has an internal and external bell, and theformer dips into an annular trough of china, which canslide on the stalk of the…
Electric power production
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