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coherer

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6 months ago chained_bear said:

"...on December 12, 1901, the neatly mustachioed Guglielmo Marconi, his overcoat buttoned against the frigid wind, his Italian leather gloves gleaming like polished mahogany, had set up a condenser and an antenna in the old fever hospital on the cliffs above the St. John's harbor, and had heard, through a black telephone earpiece attached to a glass coherer, the dim signal of the letter "S" transmitted by hertzian waves from Poldhu, Cornwall—2720 wireless kilomters away."
—David Macfarlane, The Danger Tree, 54

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chained_bear (17016 words)
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