Mirror Grinding Telescope Making
Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making ,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineo's Desktop Grinding Polishing Machine Ken Lilja's Grinding Machine Grinding Machine Figuring Figuring a Paraboidal mirror by thermal.Nov 19, 2018 The grinding machine I have now, pictured above, was designed to make up to a 20 inch mirror, the largest I've ever done (so far). The machine design was freely inspired by Donald Dilworth's grinding machine which he described in his landmark S T article describing his 16 inch relay lens telescope (nov-dec 1977).Mar 10, 2006 The Amateur Telescope Maker’s Page A Grinding Rig. WALKING around a barrel is undoubtedly a tedious procedure, but on the other hand it is the simplest method of grinding and polishing a telescope mirror.A good starter size is the 150 mm (6 ) mirror. A 200mm (8 ) will also work. Most ATM books and websites recommend a Pyrex mirror blank, but in my opinion, annealed plate glass is better for this first, learn and practice mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at.