the Harmonic Telegraph: Forgotten Submarine Telephone: Elisha Gray, Acoustic Frequencies, and Bitter Patent War That Birthed Global Telecommunications

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the Harmonic Telegraph: Forgotten Submarine Telephone: Elisha Gray, Acoustic Frequencies, and Bitter Patent War That Birthed Global Telecommunications

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the Harmonic Telegraph: Forgotten Submarine Telephone: Elisha Gray, Acoustic Frequencies, and Bitter Patent War That Birthed Global Telecommunications

Product specifications

Brand epubli
EAN
  • 9783565461165

McFarland

The Telephone Patent Conspiracy of 1876: Elisha Gray-Alexander Bell Controversy and Its Many Players

£ 16.40
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epubli

Scream of the Earth: Eruption That Birthed Global Village and Deafened World

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Technicolour

Harmonic Frequencies [VINYL]

£ 12.86
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Independently Published

Submarine Telegraph Cables and Cable Ships

£ 19.99
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