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Telescope Mirror Grinding Machines

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 under the sponsorship of george ellery hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the yerkes observatory..

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Our products sell well all over the world,and have advanced technology in the field of crushing sand grinding powder.

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Location Kexue Revenue 60, High and New Technology Industrial Development Zone, Zhengzhou,China

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