The Aeronautical Syndicate’s Valkyrie C No 4 at Hendon in March 1911 with a Mr Chambers about to take a training flight.

The three-seat Valkyrie C No 2 with designer Horatio Barber seated in the centre. The 39ft-span machine was powered by a 60 h.p. Green engine and was priced at £1,000.

The first cargo flight in Britain: Horatio Barber and his ASL Valkyrie, July 4, 1911