Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 66
hought by their makersto present advantages, if not for all machines, at least to be espe- brushs automatic regulator. 51 cially adapted to the requirements of their own. The usual Serrinlamp, which is made by M. Breguet for the Gramme machine,did not accompany the latter. The result of experiment,… … Fig. 25. This lamp is shown in figs. 25 and 26, in which a is a helixof insulated copper wire, resting upon an insulated plate, 6, up-held by the metallic post c. Loosely fitted within the helix isthe core o?, partially supported by the adjustable springs e. Therod / passes freely through the…
Electrical engineering
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