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. 276. Geissler Air Pump. from the vessel connected to C. This process is repeated until fullexhaustion is obtained. In practice the first exhaustion is often STANDARD ELECTRICAL DICTIONARY. 439 effected by a mechanical pump. By closing the cock on the outlettube c but little air need ever find…
Electricity
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