Two magnetic reel-to-reel 1/4" audio tapes, oral history interview with Robert Riddles CBE, conducted and recorded by David Jenkinson at the interviewee’s home on 3 February 1983. Robert Riddles, aged 90, talks about his railway engineering career, including being Sir William Stanier’s Principal Assistant when working for the London Midland and Scottish Railway (LMS) and being the Chief Mechanical Engineer (CME) for British Railways after the Nationalisation.

These tapes are original masters (tapes 1 of 2 and 2 of 2) made from the session tapes using Tascam 34. 10 inch reels, 4 tracks, recorded at 7 1/2 ips, DBXI, noise reduction, NAB EQ. Session tapes recording equipment: Tandberg Model 11 portable tape deck, ARG D202 microphones.