ARC-LAMP INVENTORS

Sun (Auckland), Volume II, Issue 454, 8 September 1928, Page 18

ARC-LAMP INVENTORS

PIONEERS MEET AFTER FIFTY YEARS Two of the pioneer inventors in electric lighting by arc j ß ®**' men who helped to mystify tc public 50 years ago, rivals tnen. but friends long since, taet on April 18 at the Franklin Institute in Philadelphia to tell each other what wonders have come iro their original Uttle dynamo* electric lighting systems. They first met early in 1S"8 intD same old lecture hall at the Fran Institute, where now they came gether for this unique two-man union. In that year Professor Thomson, the younger of the • was just 25, but a professor of cn istry at the Central High School Philadelphia and a popular lecturer much renown at the Franklin stitute. The other pioneer, Charles »ran Brush, was not quite 29. He . come on from his home in Cleve because the Franklin Institute • was conducting spme notable tes contemporary electric dynamo chines. Among those being tested were of the type which Brush had invea That was two years before; ena me! Brush machine was the first com cial dynamo brought out in the b States - .. U( a sc When it was publicly exhibitea. gether with a long arc lamp, nt cinnatl in 1877, it became tne of the town. The arc lamp was a-glowing outside the home “daring man” who was willingj familiarity with such a devicethe astonished comments of “}?. hours —by sponsoring the exniOi Every night a crowd of !*■** of persons collected in ratisii house. They could not unde „ „ that light. They could not nee it was free from trickery or y, kind. One man explained to friends in the crowd that tne box enclosing the control mec was filled with oil. which flowe the side rods and fed the lamp-