Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 263
fusiblealloy introduced in the circuit, and arranged in convenient formfor renewal. The alloy used is a compound of tin, lead, cad-mium and bismuth, and fuses at about 155^^ Fahrenheit. Thestrip is made of sufficient size to convey the normal currentwithout heating it to its fusing point; but in… … Fig. 130. greater conductivity than the rest of the circuit. As the fusingpoint of the alloy is below the point of ignition of any combus-tible, the drops of melted metal can do no harm in case thesafety device is called into operation. These devices are madein various forms, some of which are…
Electrical engineering
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