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Image
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Non-Commercial Use
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Category
Telecommunications
1
Maker
Siemens & Halske AG
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Siemens and Halske AG
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On Display
Science Museum
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Information Age Gallery: Cable
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Object type
telegraph
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Place
Berlin
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Berlin, Berlin state, Germany
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Material
copper (alloy)
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electric wire
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glass
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ivory
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paper (fibre product)
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wood (unidentified)
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Siemens and Halske's ABC Telegraph used in Russia
1850-1897
