Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 488
in the imperfect connection be-tween the wires passing through the glass and the carbon fila-ment. It is claimed that in these lamps the connections aremade in an improved manner, which leaves nothing to be de-sired. THE HOCKHAUSEN INCANDESCENT LAMP. 467 Fig. 282 shows a plain form of holder used…
Electrical engineering
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