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 376
ata are 0° C. (32° F.) Relative Resistance, 62.73 Specific Resistance, 94-32 microhms. Resistance of a wire, (a) I foot long, weighing i grain, 18.51 ohms. ((^) I foot long, i-iooo inch thick, 572.3 * (c) I meter long, weighing i gram, 12.91 ** (<f) I meter long, I millimeter thick 1.211 <… … Fig. 238. Mayers Floating Magnets. Mercury Cup. A cup of iron, wood or some material that doesnot amalgamate or is unattacked by mercury, which is filled withmercury and made an electrode of a circuit. By dipping the otherterminal of the circuit into the mercury a very good contact isobtained. It…
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