Pocket-size musical chord study aid

Details Pocket-size musical chord study aid Pocket-size musical chord study aid

1976-02-20

1977-06-28

Tomsky, Stephen J.

Music

Accessories

Teaching devices

84417R, 84478, G09B 1500

Patent

active

040317978

ABSTRACT:
A self-contained unit similar to a conventional pocket calculator provides indications of the make-up of musical chord triads for use as a self-study aid.

REFERENCES:
patent: 3335630 (1967-08-01), Schmoyer
patent: 3503296 (1970-03-01), Schmoyer et al.
patent: 3503297 (1970-03-01), Schmoyer et al.
patent: 3664036 (1972-05-01), Boswell, Jr. et al.
patent: 3897710 (1975-08-01), Schmoyer
patent: 3954040 (1976-05-01), Schmoyer

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