Show li hinr t order professor elihn thomson the mass electrician claims to have discovered the knack of making lightning the invention is at present of more scientific than practical interest although there will be plenty of practical uses for it eventually the professor has succeeded by very simple means in securing extremely potential discharges in an arc electric lamp the carbons are three eighths of an inch apart and in a search light a little farther the flame when they are separated acts as a conductor in professor Thom sons machine however the is eight inches and no flame can leap so far the result is the torrents of sparks are thrown off without interruption and with reports like the rattling of a catling gun or 1 case of fire crackers the strength of the discharges appear to be limited only by the space of the machine cor st louis globe democrat |