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Image © National Museums Scotland
View full screenLoudspeaker, Allison type moving iron, by C.A. Vanderwell of Acton, c. 1924, with an impedance of 2000 ohms, and a horn made of metal and celluloid coloured to simulate tortoiseshell
T.1962.17
Industry and Commerce : Communications
C.A. Vanderwell and Co. Ltd
Acton, London, England, Northern Europe
c. 1924
Metal and celluloid horn
Eponym: Allison