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Electricity and Magnetism
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King George III
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Radio Communication
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Collection
Sir Henry Wellcome's Museum Collection
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Maker
Alfred Apps
1
Apps, Alfred
1
Marconi's Wireless Telegraphy Company Limited
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Science Museum
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Information Age Gallery: Cable
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Object type
discharger
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Place
Chelmsford
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Chelmsford, Essex, England, United Kingdom
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Material
boxwood
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brass
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copper (alloy)
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glass
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lead (metal)
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mahogany
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metal (unknown)
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paper
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wood (unidentified)
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Date
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Fixed gap discharger, 1900-1950
1900-1950
Henley's universal discharger, by Alfred Apps, 433 Strand, London
Henley's universal discharger
Henley's Universal Discharger
Henley's Universal Discharger
1785-1820
