MacDonald, watched the play with his family on the Baird Televisor Baird had previously installed at their 10 Downing Street home. The reviewer for The Times newspaper commented that: "This afternoon on the roof of 133, Long Acre will prove to be a memorable one... The time for interest and curiosity is come, but the time for serious criticism of television plays, as plays, is not yet." The BBC's test broadcasts continued throughout the early part of the decade as the quality of the medium improved. In 1936 the BBC launched the world's first "high-definition"—then defined as at least 240-lines — television channel, the BBC Television Service, from studios in a specially converted wing of Alexandra Palace in London. At the time of the channel's debut on 2 November 1936 there were only five television producers responsible for the entire output. The producer selected to oversee drama was George More O'Ferrall, who had some experience with working in a visual medium as he was a former assistant director of films. This was unlike most of his colleagues, who came across from the BBC's radio services. The first drama production to be mounted as a part of the new, regular service was a twenty-five-minute selection of scenes from the West End play Marigold by L. Allen Harker and F. R. Pryor, produced by O'Ferrall with the original London Royalty Theatre cast. This was broadcast live from the Alexandra Palace studios on the evening of Friday 6 November 1936. Later BBC Television Head of Drama Shaun Sutton wrote about the production for The Times in 1972. "It was probably little more than a photographed version of the stage production, with the camera lying well back to preserve the picture-frame convention of the theatre." Most initial drama efforts were of a similar scale; productions of selected dramatised 'scenes' or excerpts from popular novels and adaptations of stage plays, and a programme entitled Theatre Parade would regularly use original London theatre casts for re-enacting selected scenes. An increasing number of full-length dramatised productions began to take place in the Alexandra Palace studios during 1937, with Journey's End in November 1937 being a notable full-scale adaptation of a play. When television transmissions on Sundays began in March 1938, one Sunday per month would see the broadcast of a full-length Shakespeare play by actors from the Birmingham Repertory Theatre. Productions also become more technically advanced, with