INVISIBLE RAY.

Auckland Star, Volume LVIII, Issue 43, 21 February 1927, Page 7

INVISIBLE RAY.

International Interest in New Invention. PENETRATING FOG. LOXDOX, February 20. Mr. John L. Baird, of Glasgow, a leading research student in connection with television, announces that widespread international interest has been roused in his mention of the televisor.' The mmtries intersled include America. Germany, nd France. In consequence dr. Eaird is conducting a fullired model of his iew 'black light.' This consists of a >owerful ray like a earchlight. It is .n visible in darkness, yet brilliantly illuminates anything on which it is thrown. The light even penetrates fog. Mr. Baird claims that he will be able to pick out aeroplanes at a height of GOOOft above London. By the new invisible raj. Mr. Baird makes use of you may sit in the inventor's laboratory in the dark, and your person and movements are .non'r 1 elsewhere as a picture on the screen <•; the televisor. Mr. Baird has filtered out from ordinary light the infra -red rays, and by means <■: these he can actually cinematograph scenes happening in «Le dark. There is a popular roiK-onccption that the invisible rav is »nn« pnr*. of mysterious searchlight which can l*turned on anything and pierce thro;-', obstacles like X-ray*, and then throw images on a screen. What is not grasps! is that there must be a source o{ *h<rays on the one hand and the eUbnritr transmiitins of transforminr apparatu* <•:: the other—one. oi course. is ue<!es« ™ (•;,. out the other.