EditorialDavid Edward Hughes (1831 ?A_i_ 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and Ameri...
EditorialDavid Edward Hughes (1831 ? 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and American ...
EditorialDavid Edward Hughes (1831 ?A_i_ 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and Ameri...
EditorialDavid Edward Hughes (1831 ? 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and American ...
EditorialBritain's Catherine, The Duchess of Cambridge, visiting Bletchley Park to view a special D- Day exhibition in the newly restored Teleprinter Building, marking the 75th anniversary of the D-Day landings.
EditorialDavid Edward Hughes (1831 ?A_i_ 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and Ameri...
EditorialDavid Edward Hughes (1831 ? 1900). Was a Welsh-American scientist and musician. Co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. Engraving by A. Carretero. The Spanish and American ...