• SAO 1.2m Primary Mirror Monthly Report

    2011 12 15   SAO 1.2m Mirror Monthly Report December 2011 5 3. Schedule Progress is moving slower than planned and resources are being added to mitigate schedule slippage. The aspherical grinding is expected to extend into the month of February 2012. The next step is then to polish the mirror out on the Draper or the CCP machine and it is

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  • Mirror Grinding Machine Products Suppliers

    2021 5 23   In September 1858 shortly after his return from Europe Draper began the construction of a mirror grinding machine of Lord Rosse s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large grit size plays an important role in precision mirror grinding machining .

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  • Bench Grinder Polisher Metal Polishing Machine From Metal

    Draper 6" 150W Bench Grinder Polisher With Pro Max 4" Metal Polishing Kit Our best selling Draper 6" 150W bench grinder converts into a metal polishing buffing machine as it comes complete with a 4" x 1/2" general purpose metal polishing buffing kit ideal for aluminium

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  • Memoir of Henry Draper 1837 1882

    2011 12 18   HENRYDRAPER. uralScienceintheUndergraduateDepartmentoftheUniversityof NewYork andin 18G6hewasappointedProlessorofPhysiologyin theMedicalDepartment

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  • ON THE MODERN REFLECTING TELESCOPE AND rHE

    2007 10 6   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 5 foot mirror both because it embodies most of the essential features of a grindingand polishing machine and also because it is the only one of my machines of which I have a

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  • Mirror Grinding Machine Archive IceInSpace

    2007 5 12   Ron Royal used to run a mirror grinding/telescope making class at Sydney Observatory. However I think it ceased about 4 years ago. This was a class which went over about 8 weeks 1 night a week where you went and ground your own mirror and built an 8"/F8 scope.

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  • ON THE MODERN REFLECTING TELESCOPE AND rHE

    2007 10 6   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 5 foot mirror both because it embodies most of the essential features of a grindingand polishing machine and also because it is the only one of my machines of which I have a

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  • ON THE MODERN REFLECTING TELESCOPE AND rHE

    2007 10 6   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 5 foot mirror both because it embodies most of the essential features of a grindingand polishing machine and also because it is the only one of my machines of which I have a

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  • The shaping and testing of two 20" optical telescope

    2017 4 30   Grinding and polishing machine • Based largely on the principles of a machine described by John Hindle in Amateur Telescope Making volume 3Chapter A. 2. • Mirror free floating on top of the tool inside a holding cradle crocodile allowing the mirror to rotate freely without undue pressure and so avoiding any astigmatism.

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  • The shaping and testing of two 20" optical telescope

    2017 4 30   Grinding and polishing machine • Based largely on the principles of a machine described by John Hindle in Amateur Telescope Making volume 3Chapter A. 2. • Mirror free floating on top of the tool inside a holding cradle crocodile allowing the mirror to rotate freely without undue pressure and so avoiding any astigmatism.

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  • Pushing the limits of the Foucault Test.Free Online Library

    2010 12 1   It was decided from the outset to build a machine that could perform the required fine grinding polishing and figuring functions. The machine had to be modular interchangeable components and be multi mode able to emulate various other machines like Hindle Zeiss Ritchie Draper and Mirror

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  • HENRY DRAPERnasonline

    2012 10 24   grinding machine was contrived and experiments were made with three 151 inch glass disks as well as with some smaller ones. Three mirrors of the same focal length and aperture Dr. Draper says are almost essential in working for it not infrequently happens that two in succession will be so similar that a third is required for at

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  • mirror grinding machines.ATM Optics and DIY Forum

    2006 10 3   The eccentric that controls the side to side motion turns at 11 RPM. I can adjust the length of the stroke and the side to side motion as well as the position of the mirror on the tool. Now I know why my machine is so slow to do its work. I really like the way the mirror o matic works. I may have to rethink things a bit. Mark

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  • Mirror Grinding Machine Products Suppliers

    2021 5 23   In September 1858 shortly after his return from Europe Draper began the construction of a mirror grinding machine of Lord Rosse s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large grit size plays an important role in precision mirror grinding machining .

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  • Jewellery Polishing Machines Polishing MotorsCooksongold

    Foredom Variable Speed Polishing Machine. 999 FD21. Powerful variable speed bench polishing motor. Ideal for a wide variety of polishing and buffing jobs. Variable speeds 5007 000 RPM. Perfect for jewellers work bench. 2 year guarantee exclusive to Cooksongold.

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  • Grinding Machine TypeATM Optics and DIY Forum

    2007 9 14   Grinding Machine Typeposted in ATM Optics and DIY Forum Hy guys Id like to realize a grinding/polishing machine with the following specifications max blank diameter 400mm 16" circa min blank diameter 125mm 5" circa capable of grinding convex and concave surfaces lenses mirrors Mak correctors Considering ease of fabrication but I have a lathe and a milling machine grinding

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  • Draper ToolsUK Tool Centre

    Draper Expert 200mm 6tpi Bi Metal Reciprocating Saw Blades for Wood CuttingPack of 5 Blades. £26.88. £48.89.

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  • henery draper mirror grinding machinebikajo.pl

    Henery draper mirror grinding machine henery draper mirror grinding machine the draper type machine was first developed by dr henry draper in the mid 1800s the polishing process is slow and designed to produce a ripplefree and sleekfree it is a true double pass test and the mirror

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  • Document sans nomAstrosurf

    2013 2 6   Grinding action of a polishing lap machine figuring a mirror in a fully automatic process the operator just pressing a button to get the perfect mirror is a complete dream. Whatever happens an operator s experience and reactivity will remain essential to ensure a full success to the job. Draper type machine with offset arm

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  • Memoir of Henry Draper 1837 1882

    2011 12 18   HENRYDRAPER. uralScienceintheUndergraduateDepartmentoftheUniversityof NewYork andin 18G6hewasappointedProlessorofPhysiologyin theMedicalDepartment

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  • Document sans nomAstrosurf

    2013 2 6   Grinding action of a polishing lap machine figuring a mirror in a fully automatic process the operator just pressing a button to get the perfect mirror is a complete dream. Whatever happens an operator s experience and reactivity will remain essential to ensure a full success to the job. Draper type machine with offset arm

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  • Advanced Telescope Making Techniques Vol. 2 In Sky

    Zeiss Type Machine Modified Draper Grinding and Polishing Machine A Modified Hindle Alligator for Steep Curves. Chapter 6. Making and Testing Optical Flats includes Making and Testing a Plane Mirror Figuring Optical Flats Against a Spherical Mirror Mercury Flats Cold Cathode Monochromatic Extended Light Source Tester. Chapter 7. Telescope

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  • Mirror Grinding Machine Archive IceInSpace

    2007 5 12   Ron Royal used to run a mirror grinding/telescope making class at Sydney Observatory. However I think it ceased about 4 years ago. This was a class which went over about 8 weeks 1 night a week where you went and ground your own mirror and built an 8"/F8 scope.

    Chat Online
  • The shaping and testing of two 20" optical telescope

    2017 4 30   Grinding and polishing machine • Based largely on the principles of a machine described by John Hindle in Amateur Telescope Making volume 3Chapter A. 2. • Mirror free floating on top of the tool inside a holding cradle crocodile allowing the mirror to rotate freely without undue pressure and so avoiding any astigmatism.

    Chat Online
  • Draper ToolsUK Tool Centre

    Draper Expert 200mm 6tpi Bi Metal Reciprocating Saw Blades for Wood CuttingPack of 5 Blades. £26.88. £48.89.

    Chat Online
  • Mirror Grinding Machine Archive IceInSpace

    2007 5 12   Ron Royal used to run a mirror grinding/telescope making class at Sydney Observatory. However I think it ceased about 4 years ago. This was a class which went over about 8 weeks 1 night a week where you went and ground your own mirror and built an 8"/F8 scope.

    Chat Online
  • Document sans nomAstrosurf

    2013 2 6   Grinding action of a polishing lap machine figuring a mirror in a fully automatic process the operator just pressing a button to get the perfect mirror is a complete dream. Whatever happens an operator s experience and reactivity will remain essential to ensure a full success to the job. Draper type machine with offset arm

    Chat Online
  • Twin 20" Dobs by Johann SwanepoelScopeX

    2019 9 9   It was decided from the outset to build a machine that could perform the required fine grinding polishing and figuring functions. The machine had to be modular have interchangeable components and be multi mode be able to emulate various other machines like Hindle Zeiss Ritchie Draper and Mirror

    Chat Online
  • Mirror Grinding Machine Products Suppliers

    2021 5 23   In September 1858 shortly after his return from Europe Draper began the construction of a mirror grinding machine of Lord Rosse s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large grit size plays an important role in precision mirror grinding machining .

    Chat Online
  • Grinding Machine TypeATM Optics and DIY Forum

    2007 9 14   Grinding Machine Typeposted in ATM Optics and DIY Forum Hy guys Id like to realize a grinding/polishing machine with the following specifications max blank diameter 400mm 16" circa min blank diameter 125mm 5" circa capable of grinding convex and concave surfaces lenses mirrors Mak correctors Considering ease of fabrication but I have a lathe and a milling machine grinding

    Chat Online
  • The shaping and testing of two 20" optical telescope

    2017 4 30   Grinding and polishing machine • Based largely on the principles of a machine described by John Hindle in Amateur Telescope Making volume 3Chapter A. 2. • Mirror free floating on top of the tool inside a holding cradle crocodile allowing the mirror to rotate freely without undue pressure and so avoiding any astigmatism.

    Chat Online
  • Bench Grinder Polisher Metal Polishing Machine From Metal

    Draper 6" 150W Bench Grinder Polisher With Pro Max 4" Metal Polishing Kit Our best selling Draper 6" 150W bench grinder converts into a metal polishing buffing machine as it comes complete with a 4" x 1/2" general purpose metal polishing buffing kit ideal for aluminium

    Chat Online
  • Document sans nomAstrosurf

    2013 2 2   Drawing of the machine designed by Paul Vincart as shown in Ciel and Terre in 1922. Drawing by Jean Texereau representing a Draper machine and a Hindle machine published in L Astronomie magazine in 1958. Eventually these machines were also used as allies by independant professional mirror makers. In France the late Roger Mosser used

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  • Document sans nomAstrosurf

    2013 2 2   Drawing of the machine designed by Paul Vincart as shown in Ciel and Terre in 1922. Drawing by Jean Texereau representing a Draper machine and a Hindle machine published in L Astronomie magazine in 1958. Eventually these machines were also used as allies by independant professional mirror makers. In France the late Roger Mosser used

    Chat Online
  • Document sans nomAstrosurf

    2013 2 2   Drawing of the machine designed by Paul Vincart as shown in Ciel and Terre in 1922. Drawing by Jean Texereau representing a Draper machine and a Hindle machine published in L Astronomie magazine in 1958. Eventually these machines were also used as allies by independant professional mirror makers. In France the late Roger Mosser used

    Chat Online
  • Advanced Telescope Making Techniques Vol. 2 In Sky

    Zeiss Type Machine Modified Draper Grinding and Polishing Machine A Modified Hindle Alligator for Steep Curves. Chapter 6. Making and Testing Optical Flats includes Making and Testing a Plane Mirror Figuring Optical Flats Against a Spherical Mirror Mercury Flats Cold Cathode Monochromatic Extended Light Source Tester. Chapter 7. Telescope

    Chat Online
  • Memoir of Henry Draper 1837 1882

    2011 12 18   HENRYDRAPER. uralScienceintheUndergraduateDepartmentoftheUniversityof NewYork andin 18G6hewasappointedProlessorofPhysiologyin theMedicalDepartment

    Chat Online
  • Mirror Grinding Machine Archive IceInSpace

    2007 5 12   Ron Royal used to run a mirror grinding/telescope making class at Sydney Observatory. However I think it ceased about 4 years ago. This was a class which went over about 8 weeks 1 night a week where you went and ground your own mirror and built an 8"/F8 scope.

    Chat Online
  • Draper Engine Toolden

    Draper 35886 Petrol and Diesel Master Engine Compression Test Kit 37 Piece DRA35886. In Stock. £162.46 Inc. VAT £135.38 Ex. VAT Add.

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  • Bench Grinder Polisher Metal Polishing Machine From Metal

    Product Description Draper Bench Grinder Polisher 550w With Stand 8" Deluxe Metal Polishing Kit. Our top of the range great quality Draper heavy duty 8" 550W bench grinder with worklight adjustable height work stand and 8" deluxe metal polishing kit comes with great flexibility as you can convert the bench grinder into a polishing machine.

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  • Advanced Telescope Making Techniques Vol. 2 In Sky

    Zeiss Type Machine Modified Draper Grinding and Polishing Machine A Modified Hindle Alligator for Steep Curves. Chapter 6. Making and Testing Optical Flats includes Making and Testing a Plane Mirror Figuring Optical Flats Against a Spherical Mirror Mercury Flats Cold Cathode Monochromatic Extended Light Source Tester. Chapter 7. Telescope

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