Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 538
ng thearc. The positive carbon is held from sliding by the pressureof a smaller carbon, so fixed as to be slowly consumed as theother is burned away. The negative carbon holder has an ad-justable platinum stop, which, by pressing against the side of the THE MCCARTY ARC LAMP. 517 conical end of the…
Electrical engineering
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