Arc Lamp Mechanism

 The principle of a shunt and series coil operating on an iron core in opposition is the basis of the mechanism of a number of arc lamps. Thus the lamp invented by F. Krizik and L. Piette, called from its place of origin the Pilsen lamp, comprises an iron core made in the shape of a double cone or spindle, which is so arranged in a brass tube that it can move into or out of a shunt and series coil, wound the one with fine and the other with thick insulated wire, and hence regulate the position of the carbon attached to it.


 


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Source: Encyclopaedia Britannica 11th Edition,
Volume 16, Slice 6 "Lightfoot, Joseph" to "Liquidation"
Published in 1910-11 Available from www.gutenberg.org


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