No Xvii Machine For Grinding And Polishing

No Xvii Machine For Grinding And Polishing

Apr 08 2013 no xvii machine for grinding and polishing lenses and specula for telescopes is an article from transactions of the society instituted at london for

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Mirror Grinding Machine G W Ritchey National Air And

Mirror Grinding Machine G W Ritchey National Air And

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 24inch and then a 60inch mirror for a telescope initially intended for the yerkes

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Grinding Machine For Large Telescope Mirrors

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 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

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Machine For Grinding Telescope Specula

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

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Telescope Mirror Grinding Machine Crusher Mills Cone

Telescope Mirror Grinding Machine Crusher Mills Cone

Machine 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

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Telescope Mirror Grinding Machine  Pottery Wheel

Telescope Mirror Grinding Machine Pottery Wheel

Mar 04 2021 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

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Amateur Telescope Making Main Page

Amateur Telescope Making Main Page

Telescope 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

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Mel Bartels Amateur Telescope Making

Mel Bartels Amateur Telescope Making

The iau named asteroid 17823 bartels discovered 1998 by jmroe 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

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Scientific Instrument Makers Oxford Dictionary Of

Scientific Instrument Makers Oxford Dictionary Of

This defect was avoided by the development of three forms of reflecting telescope comprising a small lens in the eyepiece plus arrangements of one or two large curved metallic mirrors or specula the first and much admired maker of reflectors was the scotsman james short who kept his method of grinding his specula secret he made about 1400

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Stellafane Atmmirror Making Myths

Stellafane Atmmirror Making Myths

You may notice that many commercial telescope advertisements proclaim they use hand figured optics in fact this is one of the best and least expensive ways to get an accurate surface on a mirror most machines just cant hold the tolerances necessary and any good telescope optic including the mirror you could make in your kitchen should

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