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Discover the technological development of wireless telegraphy through objects relating to the history of radio, and television transmission and reception.
Rexophone crystal set with two pairs of Telefunken headphones (out of three), 1923-1930
Radio equipment comprising:- one-valve, home-constructed self-excited transmitter
Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904
six-stage super heterodyne receiver processed on the ECME system, 1936-1955
Model of open oscillator with spherical radiators used by Heinrich Hertz, 1949