
Mirror Grinding Machine
2015-8-14 My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc.


Grinding Machine for Large Telescope Mirrors
2021-6-23 Grinding Machine for Large Telescope Mirrors. I designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work.


telescope grinding machine ppppketrzyn.pl
2020-11-6 Machine For Grinding Telescope Specula. Machine For Grinding Telescope Specula. W. Forgan. The simple addition to an ordinary lathe for the purpose of grinding telescope specula has been of so much benefit to the author that it was thought, if made known through the medium of the Society of Arts, it might become useful to others interested.


Mirror grinding Telescope making
2007-2-13 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


CNC Optical Grinding Machines OptiPro
PZX 5-Axis Prism Grinding Machine. The PZX prism grinding machine is the latest solution for companies looking to enhance their prism manufacturing capabilities. Machine prisms up to 6″ thick with a maximum diameter of 10″ for the longest diagonal.


Mel Bartels' Amateur Telescope Making
2021-8-21 The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.


Mirror-o-Matic mirror making machine ATM pages of
2018-5-16 The M-o-M is a marvellous machine due to its simplicity and yet refined design. It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing a mirror. That is you can use it to grind, polish and figure your optics.


Astronomy Options Astronomy, Mirror Making,
2021-5-25 Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum


Amateur Telescope Making Main Page Stellafane
Amateur Telescope Making Main Page. "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out to build a telescope just for fun he will find, before his labors are over, that he has become seriously


Stellafane ATM:Mirror Making Myths
If you want to build a telescope, you will need some simple hand tools a hand saw, a drill, ruler, hammer and screwdriver but nothing exotic or terribly expensive. Power tools are completely optional. Good, solid, useful telescopes can be built by novice amateurs. Making a


100-inch telescope mirror, on grinding machine — Calisphere
100- inch telescope mirror on grinding machine, at Mount Wilson Observatory's Pasadena laboratory.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.


tut44 Making A Mirror Grinding Tool Asterism
2019-3-8 Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own telescope.” Most amateur astronomers believe, “I can buy a better telescope than I can build.” Neither is actually correct. For many decades now, amateur astronomers have been building their own telescopes.


Telescope mirror grinding machine / pottery wheel CN
2021-3-4 Up for sale is my telescope mirror grinding machine / pottery wheel. I used this machine to grind a telescope mirror and it worked great. No more walking around the barrel. Could be adapted with an overarm for a fully automated grinding machine. $125 shipped to CONUSA. Includes 3D printed mirror holder (mirror blank not included as seen in


Amateur Telescope Making Main Page Stellafane
Amateur Telescope Making Main Page. "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out to build a telescope


Astronomy Options Astronomy, Mirror Making, Telescopes
2021-5-25 Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient. Started project in August 2013 and at this


Telescope Making Links Designs and Techniques STAR
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


Hubble's Mirror Flaw NASA
2019-11-25 Once Hubble began returning images that were less clear than expected, NASA undertook an investigation to diagnose the problem. Ultimately the problem was traced to miscalibrated equipment during the mirror's manufacture. The result was a mirror with an aberration one-50th the thickness of a human hair, in the grinding of the mirror.


Build your own telescope part 1: The mirror Thomas
Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a


Amazon: telescope lenses
This telescope is great to give to beginners or children as a gift. Amazon's Choice for telescope lenses. Gosky 1.25-Inch Premium Telescope Accessory Kit (Silver)- 5pcs Plossl Eyepiece Set, 7pcs Filter Set, 2X Barlow Lens. 4.6 out of 5 stars 167. $149.95 $ 149. 95.


基奇纳_百度百科
2019-12-26 加拿大安大略省城市。在省会多伦多以西96公里。人口连郊区29.4万(1983)。来自美国宾夕法尼亚州的德国人于1800年到此,至今仍保留不少德国的风习。2019年12月26日,位列2019年全球城市500强榜单第392名。


100-inch telescope mirror, on grinding machine —
100- inch telescope mirror on grinding machine, at Mount Wilson Observatory's Pasadena laboratory.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.


Newport Glass Works, LTD. Grinding, Polishing and
2014-7-21 Grinding, Polishing and Figuring . Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 There are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend.


Mel Bartels' Amateur Telescope Making
2021-8-13 The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope


How I make Telescope Mirror Blanks mdpub
2012-3-19 Here is the super simple grinding machine I built to true up the edges of the blanks. It is just an angle grinder with a masonry wheel mounted on the edge of a table. I also mounted a lazy-susan bearing on a piece of plastic between fixed guides. This allows me to move the bearing toward and away from the grinder.


Telescope Making Links Designs and Techniques STAR
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


Mount Wilson Observatory Building the 60-inch Telescope
By September, 1907, the world’s largest telescope mirror was ready for its mount, but other equally large problems would cause further delays. (To watch a short video of Ritchey’s grinding machine, now at the Smithsonian, go here. ) The majority of the


800mm f/3.3 Telescope Project ATM, Optics and DIY
2013-2-24 Page 1 of 12 800mm f/3.3 Telescope Project posted in ATM, Optics and DIY Forum: Hi everybody, id like to share with you the design, making and progress of a project my astro club endeavoring to. Ill post here relevant info in a run-up to where


Homemade Telescope Making Google Search
I've also added a short description of a homemade refracting telescope lens I made years ago, making an optical flat, and a section on my astrophotos. Project Description. Previous Telescopes. In 1978, I finished my first homemade telescope mirror. It was an 8 inch, F/10, spherical mirror and was awful looking!
