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Crookes Tube 1950's

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Used to demonstrate cathode rays. The tube is evacuated of air and when the voltage is applied electrons (cathode rays) hit the paddle and the heat makes it move from one end of the tube to the other. Invented by Sir William Crookes in circa 1875

8th Jul 2009

Design and Technology, History, ICT, Science

Key Stages:
Foundation, Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+

science, history, cathode ray, electronics

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