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Scientific American, Vol. 61, No. 11 (September 1889) (1889)

leaf 4

An illustration from Scientific American, Vol. 61, No. 11 (September 1889), 1889, leaf 4
ch the parts receive the eye of a crank for turning the shaft and The first coil thrown into the circuit should be of desired. Also on the removal of the pressure from the operating the screvps to raise or lower the truck plat- heavy wire, say No. 14 or No. 16, and the second, third, push stem the… … CARSON'S ARC LAMP. b. When this column is inserted in a circuit, the cur- [fob I>F,.«;CKII'T1(>N SEE TAliE l&l,] rent passes from one ring to another through the bars, whose resistance is inconsiderable, but when one of the of oil remaining in the tube being held there ready to bars is turned…

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