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draper mirror grinding machine

Joy of Mirror Making Introduction bbastrodesigns

Stone tools go back 3.3 million years. Pounding, scraping, knapping, grinding combined with fire, heat, melting leads us today to grinding telescope mirrors from glass. Making a telescope mirror is one of the most satisfying and sublime joys you will experience. It's also arguably the most accurate surface made by man or machine.

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Leonardo Da Vinci's mirror making machines

The other machine, a much larger piece to implement, grinds mirrors of large focal lengths. Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask is whether he used such mirrors in his artwork or drawing.

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Telescope Mirror Grinding Machine Crusher Mills, Cone

Telescope mirror grinding machine Mirror making and optical testing The images below show the completed grinding machine in it's new garage in October 2001. 32 inch Mirror on the Draper Grinding Machine Grinding was done face up witih a smaller steel tool This now takes us to the first telescope 32 mirror cell,

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Jamar Precision Grinding Precision Grinding, Machining

Our precision grinding shop is highly capable and this includes CNC O.D. I.D. Grinding, CNC Centerless Grinding, Infeed Grinding, Surface Grinding, CNC machining and Honing. We also offer precision machining including hard turning to complement our grinding capabilities.

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grinding machine waineo sibanyelandscaping

mirror grinding machine klabrickellparents. 2018-03-04 Building a Waineo type grinding machine somedayquot; list was a rebuild of a lens/mirror grinding machine Hindle type, and build a Waineo style machine, named after the late Tom Waineo. Live Chat How I built an edge grinder for telescope mirror blanks.

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grinding size of copper ore nijmegenfotograaf

draper mirror grinding machine smengineering. Small Scale Mining Machine Crusher For SaleSample Lot Size For Copper Ore Henery Draper Mirror Grinding HENRY. improvement the grinding and crushing of copper. process of crushing the copper ore Grinding The process of froth flotation entails crushing and grinding the ore to a fine size.

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Polishing Machine manufacturers suppliers

China Polishing Machine manufacturers Select 2019 high quality Polishing Machine products in best price from certified Chinese Screw Machine manufacturers, Grinding Equipment suppliers, wholesalers and factory on Made-in-China

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Stellafane ATM Main Page

Amateur Telescope Making Main Page. Russell Porter Much is also unchanged mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20s and 30s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of knowledge and the insurance of

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Mirror grinding scope making

You might purchase a mirror grinding kit, and have everything you need included. If such a kit is unavailable, you need to do some scrounging. You can order a 19 mm thick disc at your local glass shop. Such glass is usually used for tabletops and window displays.

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Mirror Grinding Machine Suppliers, all Quality Mirror

Mirror Grinding Machine, Mirror Grinding Machine Suppliers Directory Find variety Mirror Grinding Machine Suppliers, Manufacturers, Companies from around the World at grinding machines,spice grinding machine,portable glass grinding machine, Glass Processing Machinery

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ON THE MODERN REFLECTING TELESCOPE, AND 'rHE

GRINDING AND POLISHING MACHINES. TIlE grinding and polishing machines used by the writer are somewhat similar in principle to Dr. Draper's machine, sho.wn in Fig. 25 of his book, but are more elaborate. I shall describe here the machine used in making the 5foot mirror, both because it embodies most of the essential features of a-grindingand

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How I make Telescope Mirror Blanks mdpub

How I make Telescope Mirror Blanks. How I make Telescope Mirror Blanks Fusing thin disks to make thick slabs. This is a full-thickness, 8 inch diameter telescope mirror blank that I made myself. This web page will show how I did it. It only takes a few minutes on the grinding machine I built for the job.

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non central grinding machine shiatsudiemen

Draper Mirror Grinding Machine apos-project . konsep non central grinding machine. henery draper mirror grinding machine . Draper Mirror Grinding Machine. grinder machine mirror grinding machine for sale 20 mirror grinding log. by Mel Bartels 20 konsep non central grinding machine; Central Grinding Non . konsep non central grinding machine Development of the machine Zulkifli

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Telescope Mirror Kits firsthanddiscovery

Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications.

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Ritchey Mirror Grinding Machine National Air and Space

George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s. Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.

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Cors Grinding Machine antoonmahieu

cors grinding machine grinding mill equipment. cors grinding machine Grinding Mill China cors grinding machine Grinding wheel manufacturer of centerless grinding wheels and roll grinding wheels More info horizontal sand mill grinding mill equipment A stamp mill or stamp battery or stamping mill is a type of mill machine that crushes material by pounding rather than grinding cors grinding machine

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Grinding Machine for Large Telescope Mirrors

Grinding Machine for Large Telescope Mirrors. I designed and built a grinding machine for mirrors up to 42 inches in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on

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cors grinding machine liefslieke

Gold grinding machine Manganese Ore Beneficiation Mesh Belt Dryer Flyash, Read More small gold ore hammer mill small gold ore hammer mill Chuquicamata minegrinding machine _ model no 2877161 Krups Espresseria Full Automatic Espresso Machine KRUPS EA82 Espressaria Full Automatic Coffee Maker and Espresso Machine, Get Info; henery draper

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mirror grinding machine mantelzorgleiderdorp

Mirror Grinding Machine Leonardo Da Vinci's Inventions. The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it.

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Machine For Grinding Telescope Specula chestofbooks

Machine For Grinding Telescope Specula. Description. in the year 1857, and about the same time Foucault of Paris, and Draper of New York, also made glass specula. There are three essential things which require to be kept prominent ly in view to insure success in grinding mirrors, either by hand or by a machine. The first is that in

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CLARKE DRAPER SANDING GRINDING MACHINES

CLARKE DRAPER SANDING GRINDING MACHINES (bench grinders) Buy online at Chronos (call us or click live chat for help with CLARKE DRAPER SANDING GRINDING MACHINES (bench grinders)) Visit our engineering blog

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strasbaugh draper grinding machine omhb

Calcite mining and processing plant. Chat Online; Read More; Carbon grinding plant

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fixed post mirror grinding machine Solution for ore mining

Astro-Tel Small Grinding and Polishing Machine. Mirror Grinding Machine. A post with a height adjustable sleeve over it carries a sweep arm that has a Mirrors are fixed to the adaptors using Rough Grinding Machine, process crusher, mining equipment exports

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Industrial hand-held grinding and surface finishing — A

Apr 13, 2010Mirror Finishing Stainless, Nonferrous Metals With a Linear Grinder. Using a hand-held linear grinding machine is an easy, cost-effective way to polish large and small pieces to a mirror finish. First, pregrind and prepolish with the pyramid-shaped abrasive grit mentioned previously.

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elgin mirror grinding machine elefantino.ch

Page 1 of 2 Mirror grinding machine-runout posted in ATM, Optics and DIY Forum I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK.

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grinding machine by stefan worldcrushers

Jul 25, 2013CN FORUMS ARCHIVE Telescope Reviews mirror grinding machines. mirror grinding machines. # 1949711 10/30/07 1058 PM Edit Reply Quote Quick Reply Thanks for the video Jim. 052 draper grinding machine by Stefan Van de Rostijne 31,286 views 028 Weinig U 17 N by greifseller 1,827 views.

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Mirror Grinding Machine Hackaday

Sep 26, 2006Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.

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Speculum Grinding And Polishing chestofbooks

In 1878 and 1879 I did considerable work in grinding and polishing glass mirrors of 12 in. aperture, and 8 ft. solar focus. The methods used were essentially those of Dr. Draper, with whom I had correspondence at the time. The apparatus used by me, however, differed materially from Dr. Draper's machine.

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Advanced Telescope Making Techniques Vol. 2 Mechanical

Many of the machines or devices described can be made by an amateur telescope maker of intermediate or better experience. Chapter 5 details an inexpensive grinding and polishing machine built on a rigid 4 legged sawhorse. A Semi-Automatic version follows as well as designs by Zeiss and plans for a modified Draper

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Grinding machine with driven overarm loptics

Grinding machine with driven overarm Over the summer of 2005, I modified the small grinding machine to have a driven overarm, and it is geared down from the turntable drive by about 14.51. This is similar to the mirror-o-matic machines, but it is built with good quality bearings and there is little slop in the machine (and none in the turntable).

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