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Loudspeaker Loudspeaker

Gecophone loudspeaker in black vulcanite, early pattern horn type, by General Electric Co. Ltd, 1920s

Loudspeaker Loudspeaker

Loudspeaker in black ebonite, on three feet, made in England by the Western Electric Co. Ltd

Loudspeaker Loudspeaker

Amplion loudspeaker for radio reception, type A.R.39, serial no. 26918, aluminium horn, made by Messrs Alfred Graham and Co. London

Loudspeaker, Rice-Kellogg Loudspeaker, Rice-Kellogg

Rice-Kellogg loudspeaker, B.T.H. 1926 pattern, transformer missing

Loudspeaker Loudspeaker

Sterling Mellovox type loudspeaker, the first of the cones made by the Sterling Company

Loudspeaker Loudspeaker

Brown horn type loudspeaker, patent 29833-10, with mahogany base

Loudspeaker Loudspeaker

Loudspeaker by S.G. Brown, type H.4. 1926

Loudspeaker Loudspeaker

Loudspeaker, Amplion Radiolux type R.S.I.M., c. 1926, fitted with a type AU.1 unit in a polished cabinet

Loudspeaker, cone Loudspeaker, cone

Loudspeaker, cone type in a circular bakelite casing, Philips of Holland model 2007, c. 1928

Loudspeaker, cone, moving-iron Loudspeaker, cone, moving-iron

Loudspeaker, moving-iron cone type, type E form B by B.T-H. Company

Loudspeaker, moving iron Loudspeaker, moving iron

Loudspeaker, 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

Loudspeaker Loudspeaker

Loudspeaker, Dragon type AR114 by Amplion, c. 1926, with a segmented oak horn and fitted on a circular metal base

Loudspeaker Loudspeaker

Loudspeaker, Junior R1293 by Magnavox of the U.S.A., horn type, energised field, and fitted with an input transformer

Loudspeaker unit Loudspeaker unit

Two loudspeaker units, Blue Spot, with a permanent magnet, a curving coil, and a frame finished in a light bronze colour with plastic magnet cover pieces

Loudspeaker / loudspeaking telephone Loudspeaker / loudspeaking telephone

Loudspeaking telephone (loudspeaker) made by S.G. Brown Ltd of London about 1921

Loudspeaker, horn Loudspeaker, horn

Chrystavox horn loudspeaker for radio, with a die-cast metal base and painted in brown gloss, by S.G. Brown, c. 1930

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