Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 138
penknife before putting it in theclamp. Flaming and hissing are promotedby inferior carbons and are muchincreased if the carbons have ab-sorbed oil. Those now provided areof the Schmeltzer manufacture andare very homogeneous; the positivecarbon is usually bored axially andcored with a soft carbon,… … 128, Lamp Detaits Showing Method ofOperation. packed in tins and should be kept covered in a dry place, as they readily absorbmoisture. The momentary current of short circuit, when the carbons toiich, is ordinarilyheavy and quite sufficient to throw the pointer of the ammeter clear across thescale…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
