machine-for-grinding-telescope-specula Apr 08 2013018332quotNO XVII MACHINE FOR GRINDING AND POLISHING LENSES AND SPECULA FOR TELESCOPESquot is an article from Transactions of the Society Instituted at London for the Encouragement of Arts Manufactures and Commerce Volume 50
Get A Quote Contact UsApr 08 2013018332quotNO XVII MACHINE FOR GRINDING AND POLISHING LENSES AND SPECULA FOR TELESCOPESquot is an article from Transactions of the Society Instituted at London for the Encouragement of Arts Manufactures and Commerce Volume 50
View MoreAug 19 2019018332Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan I like the fixedpost plan vs others with eccentric drives because it gets the heavy grinding done in an automated
View MoreDATSCOPE 30 inch TROK grinding machine Telescope mirror grinding machine Mirror making and optical testing The images below show the completed
View MoreGRINDING A TELESCOPE REFLECTOR WITH TOOLGRINDING DEVICE By George F Tauchmann Grinding telescope reflectors of 15inch diameter and over makes it necessary to employ a motordriven turntable Small mirrors are generally ground and polished by rotating the tool fastened to the turntable and working the mirror blank by hand
View MoreGrinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches 11m 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
View MoreGrinding Machine Karl Size Telescope has recently developed a worldclass intelligent grinding machine that includes a unique mechanism for the required grinding polishing and figuring processes in the making of high precision telescope mirrors of near metersize diameter Sponsored
View MoreHand speculum grindingpolishing machine constructed and used by Sir W Herschel for polishing specula of 6inch aperture
View MoreLeviathan of Parsonstown Wikipedia Construction and Design Parsons improved the techniques of casting grinding and polishing large telescope mirrors from speculum metal and constructed steampowered grinding machines for parabolic mirrorsHis 3 feet 91 cm mirror of 1839 was cast in smaller pieces fitted together before grinding
View MoreMachine For Grinding Telescope Specula Before describing brietly the machines used in grinding mirrors it may be well to indicate the first step of all Mirror grinding Telescope making telescope making mirror grinding homemade tripod eyepieces astronomy
View MoreMachine For Grinding Telescope Specula ChestofBookscom Machine For Grinding Telescope Specula W Forgan and about the same time Foucault of Paris and
View MoreMachine 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
View MoreMirror grinding paraboloidmirror grinding popular Machine For Grinding Telescope Specula mirror grinding paraboloidmirror grinding popularMachine 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
View MoreMirrorOMatic 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 a musician
View MoreNov 16 2018018332Types of mirror grinding machines posted in ATM Optics and DIY Forum Hi to all I am planning to make a mirror grinding and polishing machine but i have limited knowledge about these machines Because of this i have some questions to someone who has some experience with those machines Some machines have fixed supportes and some of them have a prestaltic moving arm
View MoreStrasbaugh polishing and grinding machine You wont find very many of these around Strasbaugh is the premier manufacture of machines used by the professionals This machine is solid no plastic or wood You can adjust the spindle and eccentric speed with a turn of a knob while running It makes mirror grinding a pure joy
View MoreTelescope Formulas and Design Comparator This page has formulas for many telescope and mirror parameters It will calculate parameters for two different telescope designs and compare the results for you It provides data to help in selecting a telescope and also provides information necessary for mirror making and testing
View MoreTelescope mirror grinding machine Grinding Mill China Grinding and Testing a Telescope Mirror RASC St Johns Centre You need special machinery to grind a mirror Indeed you do if you are going to use machinery at all
View MoreTelescope speculum grinding tool for Lord Rosses 72inch telescope at Birr Castle Ireland Plate 24 figure 3 from the paper quotOn the construction of specula of sixfeet aperture and a selection from the observations of nebulae made with themquot by William Parsons 3rd Earl of Rosse Philosophical Transactions of the Royal Society volume 151
View MoreThe new fixedpost grinding machine is working on the 1475quot quartz mirror This video shows rough grinding on the blank which is done to get the mirror to the exact focal length we want This mirror will have a focal length of 60quot which is F4 A steelnut and die stone tool is fixed in place with a slight overhang over the edge of the mirror
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