The Largest Radio-Telescope In The World -- Designed and constructed by members of Manchester University Physical laboratories, at Jodrell Bank Experimental Station, in Cheshire. Inside the Radiant Hut the appearance of meters in the sky is recorded from the visual impression on the radar screen by means of cine film, which runs through continuously day and night, at very slow speed. After development the film is projected onto this screen, where it is being studied and analysed by Mr. Gerald Ha