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Fine grinding a telescope mirror. The Joy of Mirror Making Mel Bartels longer for large mirrors larger than 12 inches diameter.
Hand Grinding a Telescope Mirror. Nathan Hurst. Nathan Hurst is an editor at Make. He loves anything having to do with science or bicycling. He tweets as @nathanbhurst.
Jumping into Mirror Making books on telescope making and mirror grinding over three days to help novice mirror grinders turn out respectable mirrors.
Grinding and Testing a Telescope Mirror With mirrors, it is very true that With rough grinding, you start with larger grit sizes,
TelescopeMirrorBlanks.Com provides telescope mirror blanks and thin plate mirrors are better than those made from mirror blanks for grinding your
Many ATMs, by their very nature, are experimenters. This article discusses some of the odd techniques I have used in grinding and polishing mirrors.
Aug 03, 2013· Hi folks Its been ten years since I first read up on grinding mirrors then the idea got placed on you should do a nice 12" f6
This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. Thin Telescope Mirrors .
Mirror-o-Matic mirror grinding machine Index. allows the measurement of the radius of curvature and thus the mirrors current focal length by the
Oct 03, 2006 · mirror grinding machines. the few of us in our society that want to make mirrors think it would be best to make a grinding machine to
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Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since
Mirror-O-Matic grinding machine. as hand grinding big mirrors is not something very beneficial for the hands of a musician.
This paper describes the methods using bonded cup wheels for grinding toroidal and cylindrical SiC mirrors with large curvature radii. Since the angle between the
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The Joy of Mirror Making during the first stage of fine grinding as contact is achieved across the mirror face and fine grinding tool. On larger mirrors,
Flat mirrors (and in the A flatness in the range of 1 µm can be reached by grinding three glass blanks As the secondary mirror of a Lowrider will be
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telescope mirror grinding machine The true test of the amateur astronomer is building their own telescope Grinding and polishing your own mirrors is a long,
Lens Grinding and Mirrors for Astronomical Telescopes by Paul N. Hasluck; 32 page staple-bound pamphlet. The techniques demonstrated in this book are 19th century
Throughout the grinding and final lapping The hard pitch is ideal for f /8 mirrors and flats because the curves are shallow or non-existent so pitch flow
Grinding, Polishing and Figuring . Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine
I finished up using a spindle speed of 72 rpm. and a stroke of 56 per minute and used this for grinding both 6 inch and 8 inch mirrors.
Telescope Mirror Making Kits for Making Telescope Mirrors. All telescope mirror grinding kits include one glass mirror blank, silicon carbide and aluminum oxide
tsenglnd20C.doc- mirror grinding machine design,Advertisement Hermes July 1980, 4 inch mirrors to 24 inch Cassegrains.. Hindle designed a grinding and polishing