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Bifurcated stylus

Patent drawing sheet showing six figures of a small toy phonograph: a side view and end view of the whole machine on a base with cylinder and crank, an enlarged cross-section of the sound tube chamber, two comparative details of the diaphragm and double-pointed pin in reproducing versus recording positions, and an isolated view of the bifurcated diaphragm pin itself.

TOY PHONOGRAPH.Jean Schoenner · August 8, 1899

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