Figure 20.03 - Hollow Shell 12 inches ID

Dynasphere Shell
Figure 20.03 - Brass Shell currently used in the Musical Dynasphere
"...a spun shell of twelve inches internal diameter, 1/32 of an inch thick, which represents an atmospheric volume of 904.77 cu. in." Keely
Created by Dale Pond. Last Modification: Sunday October 18, 2015 05:33:10 MDT by Dale Pond.