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 Date: 2013-10-07 08:10:13Electrical phenomena British inventions Robert H. Goddard Engine X-ray Lightning Rocket Gunpowder Steam engine Technology Physics Electromagnetism |
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| First Page | Document Content | |
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Date: 2013-10-07 08:10:13Electrical phenomena British inventions Robert H. Goddard Engine X-ray Lightning Rocket Gunpowder Steam engine Technology Physics Electromagnetism |
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{technology} Science and technology historical timeline Jan Dosoudil, Nigel Haward