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 62
Fig. 36. Three Wire Moulding orBatten. Fig. 37. Two Wire Moulding orBatten. wires in wiring apartments for electric light or power. In use / 58 STANDARD ELECTRICAL DICTIONARY. they are fastened to the wall, grooves inward, or else grooves out-ward, with the wires lying in the grooves and covered…
Electricity
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