Teaching device for attachment to an organ

Details Teaching device for attachment to an organ Teaching device for attachment to an organ

G - Physics

09

B

35/31

G09B 15/00 (2006.01) G09B 15/08 (2006.01)

Patent

CA 1070109

TEACHING DEVICE FOR ATTACHMENT TO AN ORGAN ABSTRACT OF THE DISCLOSURE A teaching device for use with an organ,supported on the upper keyboard,with timed motor means to move an apertured record sheet between a light source and fiber optic connectors which transmit light signals to the fiber optic ends located over keys of the lower chord keyboard and through a sideways extending housing to fiber optic ends located over the keys of the upper melody keyboard in accordance with the placement of the apertures on the moving record sheet.

268785

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