Guest Adam Balogh joins us to discuss lapping and his exploits in telescope mirror making. We draw parallels (!) between lapping mirrors and lapping in precision machining. Much is learned.

Things mentioned:

Adam's Instagram: https://www.instagram.com/laneymachinetech/

ABLAP: https://ablap.com/

Cerium Oxide: https://en.wikipedia.org/wiki/Cerium(IV)_oxide

Surplus Shed: https://www.surplusshed.com/

Zerodur: https://en.wikipedia.org/wiki/Zerodur

Caswell Plating: https://caswellplating.com/

Telescope mirror blanks: http://www.telescopemirrorblanks.com/mirror_blanks.html

Newport Glass: http://www.newportglass.com/angwcat.htm

Advanced Glass: https://www.advancedglass.net/index.cfm?Page=Telescope-Mirror-Blanks

The guy who did all the mirrors for John Dobson and the sidewalk astronomers: http://www.alcoat.net/

Majestic Coatings: http://www.majestic-coatings.com/

Spectrum Coatings: https://www.spectrum-coatings.com/

Observatories with telescope making workshops:

https://chabotspace.org

https://stellafane.org/

Source for the spray-on silvering solution for front surface mirrors: https://angelgilding.com/pump-spray-silver-kit.html

Links to more stuff is at https://pfg.gg/links

("PFG Stones" is a trademark of Kinetic Precision)