Suggest an edit19:00Professor B. T. P. BARKER : ' Tho Quality of an Apple, and some sidelights on its Control ' (under the Auspices of the Ministry of Agriculture)2LO London and 5XX Daventry Wed 27th Feb 1929, 19:00 on 2LO London and 5XX DaventryView in Radio Times Source: Radio Times Suggest an edit