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Show SHADE FOR STREET LAMP IS INVENTED I Special Cable to The Tribune. LONDON, Aug. 19. A new shade for lamps, which will Improve the lighting of the darkened ctreets, has been invented by an official of the board of trade. The shade cuts off all direct rays and doea away with the circle of lljtht which was thrown down on the roadway or pavement. pave-ment. The Invention, which has passed satisfactory sat-isfactory tests, throws the light down upon ono concave reflector and up again upon another, and by its rise a greater area jf roadway can be lighted without adding to the general volume of light. |