Musical scale determining device

Details Musical scale determining device Musical scale determining device

1989-11-13

1990-10-02

Franklin, Lawrence R.

Music

Accessories

Teaching devices

235 70R, 235 89R, G09B 1502

Patent

active

049600290

ABSTRACT:
A musical scale determining device which takes the form of a conventional slide rule configuration. The device includes a sheet material body. Upon both the front and back surface are printed conventional musical notes in specific arrangements. A cursor is movably mounted on the body with the cursor including a plurality of transparent windows through which are to be observed the conventional musical notes on both the front and back surfaces of the body. Movement of the cursor in various positions is to disclose to the user a wide variety of different types of musical scales.

REFERENCES:
patent: 1091598 (1914-03-01), Somers
patent: 1236339 (1917-08-01), Mills
patent: 1783361 (1930-12-01), Gibson
patent: 2657610 (1953-11-01), Carran
patent: 2832252 (1958-04-01), Gabriel
patent: 3592099 (1971-07-01), Gibby
patent: 3791254 (1974-02-01), Muller
patent: 4677893 (1987-07-01), Fahnestock

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