Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 163
\27 34 ELECTRIC LIGHTING the current to them and for maintaining them at the proper distanceapart. The carbons are kept separated the proper distance by theoperating mechanisms which must perform the following functions: 1. The carbons must be in contact, or be brought into contact, to startthe arc… … -^ 10Fig. 34. Distribution Curve for A. C. Arc Lamp (Vertical Plane). 3. The carbons must be fed to the arc as they are consumed. 4. Tile circuit should be open or closed when the carbons are entirelyconsumed, depending on the method of power distribution. The feeding of the carbons may be done by…
Architecture · Building
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