Paper music roll 28.85 cm wide is wound on pin-end spool (with metal semi-axes, one is rounded, the other has radial protrusions for fixing in the slot of playing device drive axis), with plastic flanges; the roll leader is cut angle wise with the end covered with thin plastic and equipped with a wire loop. Handwritten pencil inscription in French is on the roll leader. 67 perforated tracks on the roll with encoded sequence of stimulus commands on musical instruments for playing a certain melody. Music roll is stored in a parallelepiped-shaped cardboard case, composed of white base and a lid. The handwritten Latin letter “s” is on the lid flat end.
Music player: Musical automaton ”Accordeo-boy” (476/ММП).

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