Figure 20.01 - John W. Keely and Mr. Crowhurst with one of Keely's original musical dynaspheres.
See Also
Alcea
Altea
Atlin
Dynasphere
Eloniss
Musical Dynasphere
Symael
See Also
Alcea
Altea
Atlin
Dynasphere
Eloniss
Musical Dynasphere
Symael