The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 444
Fig. 277. Sprengel Air Pump.Pump, Sprengel. A form of mercurial air pump. A simpleform is shown in the cut. Mercury is caused to flow from the 440 STANDARD ELECTRICAL DICTIONARY. funnel A, through c d to a vessel B. A side connection x leadsto the vessel R to be exhausted. As the mercury passes x…
Electricity
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