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Locomotion
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Image
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Non-Commercial Use
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Category
Electronic Components
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Maker
Fleming, Sir John Ambrose; Edison & Swan United Electric Light Company
1
John Ambrose Fleming
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On Display
Science Museum
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Making the Modern World Gallery
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Object type
diode valves
1
electronic valves
1
thermionic emission
1
thermionic emission; diode valves; electronic valves
1
Place
London
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London, Greater London, England, United Kingdom
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Material
aluminium?
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brass
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glass
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metal
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rubber?
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steel
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textile
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wood
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Date
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One of Fleming's first thermionic diode valves, 1889
1889