Wireless apparatus including a type 21 TT Crystophone crystal set; circa 1923,
137
Wireless and Television
Wireless apparatus including a type 21 TT Crystophone crystal set;
circa 1923,
with circular metal BBC plaque inside the lid, rare Lattikone internal coil, open detector, on ebonite panel in mahogany case; two pairs of headphones by Brown and Sterling; a horn speaker by Brown with driver unit; a large horn speaker bell with grained finish; an HMV model 512 radiogram, in walnut veneered cabinet with art deco stepped speaker fret, with original instructions; and a Magneto-Electric shock machine by S. Maw Thompson, with typical rotating magnet generator, hand grips and handle, in mahogany case. (6)
Estimate:
£350 - 450
US$ 530 - 680
€410 - 530

Category: Collectibles / Mechanical Music

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