I once worked with a woman who learned from John Dobson about lens grinding and telescope construction. Watched a Youtube video of John recently. This is too labor intensive for me, but happy others enjoy it.
http://sfsidewalkastronomers.org
I used to use a favorite quote of his in my Usenet .signature file:
"What's the use of somebody who doesn't wonder?"
I once worked with a woman who learned from John Dobson about lens grinding and telescope construction. Watched a Youtube video of John recently. This is too labor intensive for me, but happy others enjoy it.