March 26, 1936 pouring of the 200-inch mirror at Corning Glass Works.

Jun 09, 2011 1 Replies

If you're making a telescope, I have several lbs of cerium oxide you can have you just need to get ahold of me let me know....

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required