The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 597
Fig. 358.AdjustableCondenser. … Fig. 359. Conductivity Bridge. Conductor, Twin. A cable containing two separately insulatedwires. It is used in single tube systems of iron armored interiorconduit. Conduit, Flexible. A tube woven of and impregnated withinsulating and waterproofing materials and used as an interiorconduit, q.v.…
Electricity
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