ELECTRIC LIGHT. ing September 10, 1878, was 1,160 miles. During the six would be equal to 640 candles, or 40 full power gas lights, It. has been looked upon as essential that a certain distance each consuming 5 cubic feet of 16 candle gas per hour. |should separate the ends of the carbon electrodes… … current. FIG.1 with a hammer. The cleaned rail weighed only 398°2 lbs., This resistance increases much more rapidly than is rep- while its original weight was 419-1 lbs., showing that 5 per resented by increase of distance between the carbon points. THE WERDERMANN LAMP, cent of the rail had been…
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