Show Inv s 3 bl ble Light Softens Blackout Engineer Sa Says s SCHENECTADY Development of a blackout street light which gives the effect of a darkened mo mo- tion-picture tion theater yet is invisible to fliers was announced recently John E. E Bock General Electric en engineer ineer said the new lamp gives I I off light equivalent to that from tHe flame of a single candle A black canopy is is fastened to its top j. j First impression is that the light produces no illumination at all Mr Bock said However when the eye becomes adjusted to the darkness persons persons and objects can be seen dimly at 30 to 40 feet |