olling the music at the end of a piece. 8, and the music sheet passes over the tracker-board, admit air through the inlet port under disks, J?. The With the foregoing details in mind we can clearly B, to the winding roll, T. The tubes, C, which have tube, G, bears the same relation openings in the… … MUSIC ROLL, WINDING MOTOR AND TUBES CONNECTING WITH TH£ REAR VIEW BROKEN AWAY TO SHOW THE MAIN BELLOWS AND THE STRIKING MECHANISM. SECONDARY BELLOWS FOR OPERATING THE KEY RODS. 11902 SCIENTIFIC AMERICAN, INC.
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