Antique musical instruments: The Polyphone, Germany, USA circa 1890
This huge music box of interchangeable records operates on a coin system.
It was destined for public places.
Of German production at the end of the century. (Polyphon, company founded in 1888 by two employees of Symphonion). Paul Lochmann's firm came up with the idea of substituting the metal peaked cylinders of traditional music boxes by metal disks, easy to store.
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