Technology

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MARCONI, GUGLIELMO.

(London, George Bell and Sons), 1901.

GONON, ENNEMOND. - THE FRENCH OPTICAL TELERAPH.

Paris, A. Sirou, 1845.

BORNECQUE, J.

Paris, Dumaine, 1883-85.

ANONYMOUS.

London, 1877.

FOSS, H.T.

Kjøbenhavn,, Thiele, 1891.

MACQUER, P.J.

(Paris), 1763.

BUNDGAARD, J.A.

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PLIMPTON, GEORGE.

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COOLIDGE, WILLIAM.

Lancaster, PA and Ithaca, NY, The American Physical Society, 1913.

UMPFENBACH, F.A.

Berlin, 1830.

REBHANN, GEORG.

Wien, Carl Gerold's Sohn, 1856.

NOBLE, CAPTAIN.

(London), 1873.