CD 1964059 E&MP27.019
Duplicating sunlight, for years the elusive goal of lighting scientists, is brought within ďarms reachĒ of achievement by a new mercury arc device.
Viewed through a dark glass, as Dr. John W. Marden, Westinghouse research scientist is seen doing above, one sees a banana like arc stream of electrically excited mercury vapor which is the source of light that produces a color spectrum almost identical to that of the Sunís, which we see as the rainbow that nature often displays following a thunder shower.
When these mercury arcs can be taken out of the laboratory and put to practical use they will enable mankind to obtain three times the light for present-day consumption of electricity used to obtain artificial illumination.
Original Caption by Science Service