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 , and this was also demonstrated . Photo shows Dummies dropping by parachutes simultaneously from a Vickers 'Virginia' parachute training aircraft during the demonstration . 10 May 1934