#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: “It’s a vintage brass 1930s pixie offering dish for rings, pins, coins, etc. You leave offerings for the little people, so they treat you nice.”
#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.