Re: [Cameramakers] Making ground glass

[Ron Baker]

http://mfginfo.com/mfg/lapvalve/lapartical.htm     http://www.brysonsrockshop.com/frames/pre_polish.htm   The top web site is information on various abrasive compounds. The lower one is where you can get levigated alumna which is what I'm using. It is used in tumblers as a pre polish for polishing rocks. Ron                   ----- Original Mes         ---- From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, June 27, 2001 10:15 PM Subject: Re: [Cameramakers] Making ground glass Thanks for your comments on this. Can you tell us where one might acquire aluminum oxide of about 1200 grit size?