An educational film about electricity. Title Card - ‘Educational Film Library of the British Electrical Development Association’ overlaying two boys on bicycles cycling down a track. One of the boys shows the other how his cycle dynamo works, including the engineering inside of coil wire and magnet. A power station exterior is shown. Interior shots of the power station are then shown. The steam turbine and generators are shown. A diagram shows the cross-section of a generator, including...

An educational film about electricity. Title Card - ‘Educational Film Library of the British Electrical Development Association’ overlaying two boys on bicycles cycling down a track. One of the boys shows the other how his cycle dynamo works, including the engineering inside of coil wire and magnet. A power station exterior is shown. Interior shots of the power station are then shown. The steam turbine and generators are shown. A diagram shows the cross-section of a generator, including the stator, magnet and rotor. The direct current exciter is shown, and then a cross-section diagram of slip rings. Another cross-section diagram points out the direct current and the alternating current. The diagram shows a dynamo and how energy is generated from the magnet moving across the coil. The diagram shows a close-up of a stator coil, which shows atoms and electrons in the wires. A diagram of a dynamo points out the alternating current. A diagram shows a galvanometer connecting to the coil. A graph then shows the peaks in current connected to the galvanometer. The graph is labelled ‘one cycle’. A diagram of a power station generator is shown with two coils, and the output is outlined. The diagram goes on to show 3 pairs of coils and the further output. The neutral line is also shown. Another diagram labelled the rotor shows the North and South poles. A separate diagram shows different phases on the galvanometer graphs from the three pairs of coils. A pylon is shown alongside a diagram of a generator. Title ‘Alternating Current Turbo-Generator’ overlays the image of the power station generator. Power station interiors are shown, followed by pylons and grid lines, and an electric train. A woman is shown turning on a plug socket in her living room. She then sits at a table with a sewing machine and begins to sew. Another woman is shown in a kitchen using an electric mixer. Interior power station shots are shown. A diagram shows a rotor spinning. A diagram shows mechanical energy: a turbine generating energy into electricity. This is explain using further diagrams of ‘load’ and ‘steam’. An engineer with a generator is shown. He points to a sign which shows the generator produces 100,000kw of electricity per hour. The engineer walks across the room and into the control room. The crew in the control room complete the set-up for the electricity to be released into the general supply. Close ups of dials and controls are shown. The control room engineer rings the station engineer. Power station interiors, including the turbine hall, are shown. Credits - ‘A Merton Park Production in association with the Film Producers Guild for the British Electrical Development Association’. ‘Producer - Frank A. Hoare Associate Producer - Terrick Fitzhugh Director - David Cons Animation - Charles Legg of the Larkin Studios Photography - Arthur Lewis Editor - Ernest Hilton Sound - R. L. Abbott Technical Advisors - the staff of the British Electrical Development Association and the Central Electricity Generating Board’