Keely
"In the image of man" Keely constructed his liberator. Not literally, but, as his vibrophone (for collecting the waves of sound and making each wave distinct from the other in tone when the "wave plate" is struck after the sound has died away) is constructed after the human ear so his liberator corresponds in its parts to the human head. [Snell Manuscript - The Book, page 2]
See Also
Chladni Plate Vibrations
Cymatics
Table of Plate Harmonics and Intervals
vibration
Vibratory Disk
wave