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 86
ubled wire starting with the bend or bight iswound into a coil. The current going in opposite senses in thetwo lays of the winding produces no field of force. Binary Compound. A chemical compound whose molecule con-tains only two elements, such as water (Hg O), lead oxide (Pb O),and many others.…
Electricity
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