Science | 1970 | Sound | Colour
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Informative film detailing the importance of air in its different forms. How to weigh a litre of air! How a barometer works! Importance of oxygen. Flight-deck scenes aboard an aircraft. Divers under water - explanation of how 'The Bends' occurs. Compression Chamber (HMS Vernon). Deep diving air mixtures explained. Electric light bulb manufacture using argon gas. Krypton gas and Quartz Iodine lamps. Nitrogen and Ammonia. Oxygen in hospitals and Industry. Steel works scenes. Rocket fuel. Rocket launch.
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