Experiments are made to measure energy loss by stage performers during performance.
Various shots of the experiments on actors and ballet dancers made to measure energy loss during their performances. The item starts with still photographs of the actors on stage. Later the actors are fitted with several devices for measuring the energy loss before going on stage. Technicians record the reaction on measuring apparatus. More shots of the actors and dancers on stage and the technicians measuring their fitness levels and energy loss.
Date found in the old record - 19/04/1967.