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1de réir Hertz, Heinrich, 1857-1894Ábhair “...Electric waves....”
Foilsithe / Cruthaithe 1893
LEABHAR -
2de réir Hertz, Heinrich, 1857-1894Ábhair “...Electric waves....”
Foilsithe / Cruthaithe 1900
LEABHAR -
3Signalling through space without wires : being a description of the work of Hertz & his successors /de réir Lodge, Oliver, Sir, 1851-1940Ábhair “...Electric waves....”
Foilsithe / Cruthaithe 1900
LEABHAR