Telescope Mirror Blank, 2 each, 4 inch diameter For Sale
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Telescope Mirror Blank, 2 each, 4 inch diameter:
$28.00
I have had these heat treated mirror blanks for MANY YEARS. Got them from my father around 1968. I believe he got them before moving to California in 1943.Anyway, they are 4 inches in diameter and 5/8 inch thick, made from heat treated glass. OK for a small reflector telescope. No major defects. Slightly rough edge which will smooth out under rough grinding.Happy Grinding and watch out for CLOUDS.
