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Non-Commercial Use
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Category
Telecommunications
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Maker
British Insulated Callender's Cables Limited
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Object type
waveguide
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Place
England
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England, United Kingdom
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Material
copper (metal)
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enamel
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fibreglass
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resin impregnated tape
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Length of millimetric wave guide used in an early Post Office (GPO) experiment, 1970-1976
1970-1976
