Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 201
s. The absence of oxygen greatly les-sens the consumption of carbon, and, with one trim-ming, the lamp will burn 100 to 150 hours dependingon the size and length of carbon used. The presenceof this gas also allows of the use of a higher voltageacross the arc with a corresponding reduction in… … Figure 134 flattened. This results in a better distribution of thelight. The enclosed arc requires a voltage of from 72to 80 volts at the arc, the carbons being separatedabout % of an inch, and is, therefore, much bettersuited for operation in multiple on 110 volt circuits.The arc being completely…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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