Machine for grinding telescope specula

Machine For Grinding Telescope Specula

Machine For Grinding Telescope Specula - ChestofBooks.com

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. Up to about fifty years ago the whole of the ...

Telescope Grinding - YouTube

Jun 05, 2009 · Very old mirror/lens grinding machine. This machine can grind and polish using different stroke patterns, i.e. w-stroke, short strokes, long strokes, …

Telescope mirror grinding - YouTube

Mar 23, 2016 · Telescope mirror grinding Danny Jones. ... Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post ... Using the Fixed-Post Grinding Machine for Rough Grinding an 11-inch Telescope ...

Mirror-o-Matic mirror making machine - ATM pages of ...

Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year 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.

Telescope Mirror Grinding Machines | Crusher Mills, Cone ...

Machine For Grinding Telescope Specula – ChestofBooks.com … Also available from Amazon: Amateur Work. Machine For Grinding Telescope Specula … Before describing brietly the machines used in grinding mirrors, it may be …

Mirror Grinding Machine - ATM, Optics and DIY Forum ...

Sep 29, 2010 · Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror , but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would like to do something a bit more modern. I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list …

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 [1.1m] 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 ...

Description of a Machine for Polishing Specula, &c ...

Description of a Machine for Polishing Specula, &c, with Directions for its Use; together with Remarks upon the Art of Casting and Grinding Specula, and Description of a Twenty-foot Newtonian Telescope equatoreally mounted at Starfield, near Liverpool.

How I built an edge grinder for telescope mirror blanks.

How I built an edge grinder for telescope mirror blanks. It was very quick and easy. ... I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. ... I drew concentric circles on the top of the tabletop in the sizes of common telescope mirror blank diameters.

Telescope Mirror Grinding Machine | Crusher Mills, Cone ...

Machine For Grinding Telescope Specula – ChestofBooks.com … Machine For Grinding Telescope Specula. … Before describing brietly the machines used in …

Astro-Tel - Mirror grinding machine

MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. …

Telescope Mirror Grinding Machine | Products & Suppliers ...

Find Telescope Mirror Grinding Machine related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Telescope Mirror Grinding Machine information.

Hand Grinding a Telescope Mirror | Make:

May 30, 2014 · Hand Grinding a Telescope Mirror. Nathan Hurst. Nathan Hurst is an editor at Make. He loves anything having to do with science or bicycling. He tweets as @nathanbhurst. View more articles by Nathan Hurst . By Nathan Hurst. Nathan Hurst. Nathan Hurst is an editor at Make. He loves anything having to do with science or bicycling.

Document sans nom - Astrosurf

Grinding action of a polishing lap : ... During polishing and figuring of telescope mirrors the translation movement is generally chosen, because of its overall effect, preferably to the rotation movement, with its non-linear wearing off effect, which is hard to control to obtain a regular shape, free of zonal defects. ... the use of a machine ...

Use specula in a sentence | specula sentence examples

Example sentences with the word specula. specula example sentences. ... After much experiment he selected an alloy of tin and copper as the most suitable material for his specula, and he devised means for grinding and polishing them. 0. 0. ... in the case of the specula of the great Melbourne telescope, ...

Mirror Grinding Machine

My Mirror Grinding Machine. For a long time Ive wanted to build a machine for grinding telescope mirrors. Dennis Rechs M-o-M designs finally inspired me to just get up and do it. Over the years, Id been collecting motors, gear boxes, pulleys, etc.

Fixed Post Mirror Grinding Table - designed with 123D ...

Telescope Mirror Making: Part Rough Grinding This is part 2 of my video series documenting grinding and polishing a inch telescope mirror. Im using a spin or fixed post grinding machine. This video shows a few initial stages of making a primary mirror for a telescope. After hogging the mirror blank to depth, the rough grinding stage begins.

Stellafane ATM: Rough Grinding

For rough grinding a 6" mirror, about 1/2 teaspoon of grit is used per wet. With finer grits, proportionately less grit is used per wet. Grits in the25 micron range are often premixed with water to form a slurry, and water and grit are squirted onto the work together from a stone squeeze bottle (not a spray bottle).

Telescope Machine

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