Sir Leonard Hall conducting experiments to see how much energy is expended when cycling.
Full title reads: "Science saves your breath!"
Herne Hill Bicycle Race Track, London.
Sir Leonard Hall, with assistance from a famous sports writer ( name sounds like Qucross) conducting experiments to see how much energy you expend when cycling.
Exterior. C/U of rolled up rubber bag on bench, a man picks one up. Various shots of four cyclists having rubber bags fitted onto their backs by Hall and his assistants. The bags have tubes and face masks attached to them. The cyclists have nose plugs fitted so they will only breath through their mouths and into the bags. Various shots of Hall and assistants checking the breathing apparatus and the bikes. C/U of pacemaker on handlebars of bicycle.
Various shots of cyclists racing around track, one wears no apparatus - is he the control in the experiment. C/Us of Hall and the sports journalist, both appear to be taking notes. More shots of the cyclists going around the track. After two laps, the rubber bags are sealed and apparatus removed. M/S of air filled bags being taken into laboratory.
Interior. Scene changes with wipe across screen. Various shots of scientist using machine with gage to measure how much air was in each bag. C/U of row of sealed glass tubes full of air on table. Wipe. Various shots of Hall analysing contents of tubes.