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 445
prengel. 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 it breaksinto short columns, and… … Fig. 278.Swinburnes Air Pump. A form of mechanical air pump forexhausting incandescent lamp bulbs.Referring to the cut, A is a bulb on theupper part of a tube G; above A aretwo other bulbs C and D. From theupper end a tube runs to the bulb E.Through the cock L> and tube F con-nection is made…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
