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Guglielmo Marconi.
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Guglielmo Marconi.

Alexander Graham Bell, standing, among plants
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Alexander Graham Bell, standing, among plants

The Eighth wonder of the world - the Atlantic cable ca. 1866
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The Eighth wonder of the world - the Atlantic cabl...

Nineteenth Century Inventions
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Nineteenth Century Inventions

Alexander Graham Bell.
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Alexander Graham Bell.

Wilhelm Eduard Weber
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Wilhelm Eduard Weber

Gallery of the Louvre
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Gallery of the Louvre

C.P. Steinmetz and G. Marconi nown
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C.P. Steinmetz and G. Marconi nown