This picture from Gordon Hughes - TA course no ? approx 1956
or use this menu to jump to other pages in this group TA?1956 TA15 TA16 TA17 TA19 TA21 Receivers TA22 TA31 TA35 C?1958 C Part 2 1964 C48 Part 1 C48 Part 2 C102 Part 2 1975 C133 Part 2 DE4 DE5 DE12 DE14 DE15 DE23 DE?1971 DE55 De56 or 7 DE?1978 A Course 30 A Course 55 A Course 72 B Course 3