Youth Forum Students See "Brabazon" -- The Youth Forum students inspecting the "Brabazon Mark I", at Filton, Bristol, today March 17. The twenty-six teen-age students who are guests of the Bristol Aeroplane Company today March 17, were shown the giant 130 ton "Bristol" Type 167, "Brabazon Mark I" under construction at Filton, Bristol. The students who are visiting England under the Aegies of the "Overseas Daily Mail" Youth Forum, represent thirteen different countries - Belgium, France, Denmark,