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  • lenses Lens and Mirror Grinding Physics Stack Exchange

    I am actually grinding my own lenses ( I am trying). Now I have been continuously using the chordal stroke for atleast 3 hours but i am unable to see any depreasion be it convex or conacve on the tool or the mirror respectively. I have been applying the chordal stroke properly using 60 grit carborundum.

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  • Super Mirror Polishing /Grinding Machine for Staineless Steel

    Polishing Machine, Grinding Machine, Mirror Polishing Machine manufacturer / supplier in China, offering Super Mirror Polishing /Grinding Machine for Staineless Steel, No.4 Grinding /Polishing Line, High Speed Stainless Steel Mirror Polishing /Grinding Machine and so on.

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  • Leonardo Da Vinci's mirror making machines

    ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding, one

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  • Mirror Grinding an Astronomy Net ATM Forum Message

    I want to try grinding 8" mirror for a dobsonian. I've got several stepbystep txts on how to do it. They all suggest buying a mirror grinding kit, but I am able to get all I need elsewhere.

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  • mirror plate grinding machine christoartfair

    Glass and Mirror Grinding C.R. Laurence. C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers.

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  • Tell me about grinding your own telescope lenses [Archive

    It's a big sucker 12 inch mirror in a 7foot tube. We did the grinding with the blank installed on an old oil barrel filled with water for stability. The coolest thing is the postage stamp in the exact middle of the primary mirror John Dobson himself did the final figuring and placed the stamp.

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  • Family find secret message written on back of mirror after

    On the back of her bedroom mirror, the little had secretly written a 3,000 word message for her parents and siblings. Athena Orchard, 13, fought a brave battle with cancer but tragically died

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  • China 6k Mirror Polish Grinding Process Machine China

    Polishing Machine, Grinding Machine, Buffing Machine manufacturer / supplier in China, offering 6k Mirror Polish Grinding Process Machine, Super Hight Speed 8K No. 8 Polishing Machine, Wet Type No. 4 and Hairline Grinding / Polishing Machine for Stainless Steel and so on.

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  • Mirror Grinding, Mirror Grinding Suppliers and

    Alibaba offers 16,053 mirror grinding products. About 23% of these are machining, 1% are abrasive tools, and 1% are grinding machines. A wide variety of mirror grinding options are available to you, such as abrasive disc, abrasive block, and abrasive pad.

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  • Mirror Polishing Grinding Machine madeinchina

    China Mirror Polishing Grinding Machine, Find details about China Mirror Polishing Machine, 8k Mirror from Mirror Polishing Grinding Machine Foshan Ouyigang Metal Product Co., Ltd. Sign In. Join Free For Buyer. Search Products & Suppliers Send your message to

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  • MIRROR GRINDING AND POLISHING INSTRUCTIONS

    If you have problems with these mirror grinding and polishing procedures and need assistance, please send an email message with your questions and comments to Gil Moore, the Starshine project director, at [email protected] or call him at (719) 4880721.

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  • Diy mirror grinding aspherical : telescopes reddit

    Diy mirror grinding aspherical (self.telescopes) submitted 1 year ago by Choice77777 I understand that people have been able to grind a mirror that's spherical with a very simple grinding disk set on an arm that just moves in a repeating fashion.

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  • Grinding the primary mirror of the Hubble Space Telescope

    Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you. Passionate about something niche? Reddit has thousands of vibrant communities with people that share your interests. Alternatively, find out what's trending across all of Reddit on r/popular.

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  • mirror grinding eBay

    Find great deals on eBay for mirror grinding. Shop with confidence.

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  • Surface Grinding Tip. Use a Mirror The HobbyMachinist Forum

    Aug 08, 2013 · Surface Grinding Tip. Use a Mirror. Thread starter Ray C Start date Jul 27, 2013 [3] Messages 2,142 Likes 1,589. Aug 8, 2013 #7. For rough grinding, I have taken to running the wheel down (while rotating) with the table stationary until I touch, then go back up a little, start the table and sneak back down to avoid collision with a

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  • Optical Mirror Grinding Processing China Dongguan

    The unique optical grinding lens method of the surface treatment for the mold core fills the gap in the abnormity curve lens processing . The surface roughness of the mold core can reach A1 of SPI international standard, and the roughness can reach to Ra0.008um.

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  • home made grinding machine dashbuilding

    MirroroMatic mirror making machine ATM . MirrorOMatic grinding machine. When I decided in 2009 after a tenyear break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of .

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  • Mirror Grinding, Mirror Grinding Suppliers and

    Alibaba offers 16,053 mirror grinding products. About 23% of these are machining, 1% are abrasive tools, and 1% are grinding machines. A wide variety of mirror grinding options are available to you, such as abrasive disc, abrasive block, and abrasive pad.

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  • Message from TDC TDC Corporation mirrorpolish

    Message from TDC Corporation Our unique knowhow enabled us to establish the worldclass polishing processing in the field of ultraprecise lapping/polishing.

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  • Mirror grinding grits in chennai Google Groups

    Mirror grinding grits in chennai Showing 115 of 15 messages. Mirror grinding grits in chennai: Joseph Sasikumar: 3/19/15 11:23 PM: Hi All, I am Joseph from Chennai. Does anybody know any shop/place in Chennai where I can get mirror grinding grits of the needed specifiions? > You received this message because you are subscribed to the

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  • Message from TDC TDC Corporation mirrorpolish

    Message from TDC Corporation Our unique knowhow enabled us to establish the worldclass polishing processing in the field of ultraprecise lapping/polishing.

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  • Cutting & Grinding Glass Dremel Message Board

    After a few attempts with a fibre wheel, and odd grinding stones, I remembered the diamond wheel. It did the job in minutes, much faster than I had expected. A small cut on the glass rods, and they just snapped off. The side of the wheel does an excellent grinding job, almost as

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  • mirror grinding machine ahmedabad emaxlist

    mirror grinding machine ahmedabad. mirror grinding machine ahmedabad. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including quarry, aggregate, and different kinds of minerals.

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  • The difference between mirror polishing and lens grinding

    Dec 10, 2018 · The difference between mirror polishing and lens grinding. Although both the mirror polishing and the lens grinding are processed for the surface condition of the work, in fact, the actual processing conditions have completely different purposes and procedures.

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  • spectrumcoatings

    The leader in precision optical mirror coatings for telescopes and astronomy. Producing Front Surface Mirror coatings, AntiReflection, Beam splitter, hot & cold mirrors, dichroic filters that meet and exceed the standards of the optical thin film industry.

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  • tut44 Making A Mirror Grinding Tool

    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

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  • Mirror grinding machine – brainwagon

    Mirror grinding machine Courtesy of Hack A Day, here's a pointer to all sorts of telescope making stuff, including a nifty mirror grinding machine . I've got a dual spindle Elgin style machine in my garage that I must admit to my embarrassment, that I've never actually used.

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  • China Vehicles Rear View Mirror Grinding Machine (BR2000

    China Vehicles Rear View Mirror Grinding Machine (BR2000), Find details about China Vehicles Rear View Mirror Grinding Machi, Car Rear View Mirror Grinding Machi from Vehicles Rear View Mirror Grinding Machine (BR2000) Foshan Shunde BlazingSun Glass Machinery Co., Ltd.

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  • Diamond wheels for mirror finishing of difficulttocut

    "BL" porous resin bond wheels are designed for mirror grinding of carbide alloy molds, ceramics, silicon wafers, and hardening steel alloys. With the effect of pores and a heatresistant bond strengthened by special filler, these wheels produce high quality finished surfaces while maintaining their cutting performance.

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  • Sherwood Observatory Wikipedia

    Sherwood Observatory is an amateur astronomical observatory in Nottinghamshire, England, owned and operated by Mansfield and Sutton Astronomical Society. The main dome is 6.5m in diameter and houses a 0.61 m Newtonian Reflecting telescope.

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  • Category and field of Solution TDC Corporation

    Use our precise mirror polishing technology to improve the quality for stages. We will aim for an extreme preciseness in Tolerance, roughness, flatness, parallelism, angle with any material such as metal, ceramics, resin, glass and such.

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  • Telescope Mirror Grinding Machines Crusher Mills, Cone

    Mirror Making Machine – Welcome to the Fansler's. Bugger this for a Lark – A machine has got to be easier! I made my first telescope mirror, by hand in could not afford the material to build a mirror grinding machine

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  • The Meaning of Mirrors in Folklore and Superstition

    Early American slaves believed that the bad luck could be washed away by immersing the pieces of the broken mirror in southflowing water for seven hours. Another tale says that the seven years of bad luck may be kept from taking effect by grinding the shards of the mirror into a fine powder so that they no longer reflect any images at all.

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  • bevelled mirror grinding machinery parkovanipraha

    grinding polishing machine glass mirror rkcnmh. bevelled mirror glass grinding machinery QJ877C3 China . bevelled mirror glass grinding machinery 1.CE certifie & Patents own 2.customermade,easy to Get Price

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  • China Round Silver / Aluminum Mirror with Grinding Sides

    Mirror Glass, Mirror, Bathroom Mirrors manufacturer / supplier in China, offering Round Silver / Aluminum Mirror with Grinding Sides, 5mm Mirror, Decorative Mirror, Antique Mirror, Art Mirror, Clear Tempered Glass/ Toughened Glass/ Heat Soak Glass and so on.

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  • Mirror Grinding Machine, Mirror Grinding Machine Suppliers

    A wide variety of mirror grinding machine options are available to you, such as glass edging machine, engraving machine / cnc router, and glass beveling machine. You can also choose from ce, ur, and cb. As well as from free samples, paid samples. There are 7,772 mirror grinding machine suppliers, mainly loed in Asia.

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  • Stellafane ATM: Sagitta to Focal Length Calculator

    Or perhaps you have been grinding your own piece of glass and want to know the current focal length. Just input the Sagitta (depth of curve) and Mirror Diameter, and this page will calculate the Focal Length, Focal Ratio and Radius of Curvature.

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  • Mirror Grinding Machine CN Classifieds Cloudy Nights

    One large item we have is a mirror grinding machine. It is a Draper style machine. It was built by Allan Mackintosh. You may recognize the name. Allan was the author of the well known "Advanced Telescope Making Techniques" books still in print today from WillmannBell.

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