#29, It's the ceramic support plate for the 200 inch Hale telescope mirror that is operating to this day at the Mt. Palomar Observatory in California. The telescope is run by Cal-Tech. Search 'Hale Telescope' for more information.
Answer: "My friend has a setup kinda like this one, and it’s a “yoga wall.” I guess there are some yoga moves where you use ropes to stretch and pose."
#29, It's the ceramic support plate for the 200 inch Hale telescope mirror that is operating to this day at the Mt. Palomar Observatory in California. The telescope is run by Cal-Tech. Search 'Hale Telescope' for more information.