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 screws to raise or lower the truck plat- heavy wire, say No. 14 or No. 16, and the second, third, | push stem the… … ing connected with the screw, a, and the lowest with CARSON’S ARC LAMP. b. When this column is inserted in a circuit, the cur- [FOR DESCRIPTION SEE PAGE 161.) 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…
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