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Pythagorean Lambdoma Harmonic Keyboard

Pythagorean Lambdoma Harmonic Keyboard

invented by Barbara Hero

Patent Pending.

Four Quadrant Keyboard

Includes 8 overlays, and user's manual.
US $6,500.

17" by 9" by 1.5"  unit
Includes 8 overlays, and user's manual.
US $3,500.

More info at Lambdoma.com
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