Glass plate mono negative

RAF parachute test section at work . A demonstration was given at the Royal Air Force parachute section at Henlow Aerodrome , Bedfordshire , of the work and training of parachutists . Testing parachutes is one of the items open to inspection by the public on Empire Air Day May 24 . Photo shows , inspection of parachute crews before descent during the demonstration in front of their Vickers 'Virginia' parachute training aircraft . 10 May 1934