Johnny Bird can't use his legs but this hasn't stopped him cycling. He has adapted a bicycle so that he can pedal with his hands. He uses a four speed hub gear and two speed duralia - eight speeds in all - to reach performances like 25 miles per hour.
Men are trained in techniques for driving large bulldozers.
Old cars are burned out and pushed into a disused gravel pit - what about the pollution?
Modern couples leave for their weekend destinations by aeroplane.
A show demonstrates a new style of pre-fabricated home for use in Africa.
Demonstration of a new British-made fire extinguisher which puts out oil tank fires.
Speedboat race at Feltham, Middlesex.
Hydroplanes race on the waters of Bidfont Lake in Middlesex.