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 617
llation, yields amaterial closely resembling parafifine, and a pitchy residue whichis used to saturate the cotton covering of wires. Its specificinductive capacity is 2.13 (Hopkinson.) ^. The symbol for the unit of magnetic flux, the weber, q. v. Paint, Heat Indicating. A paint which changes color… … 6i2 STANDARD EIvECTRICAIv DICTIONARY. of heatings. Its composition is said to be:—five parts of red mer-curic oxide and one part vermilion mixed to a paint with, oil andturpentine. Panel Board. A switch board used at a centerof distribution. It carries safety fuses and knifeor snap switches for the…
Electricity
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