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Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John Connolly

SKU 57465843979
4.1
Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John Connolly
Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John Connolly
Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John Connolly
Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John Connolly
Description

David Jones and John Connolly

June 29 1907

followed by Aldermen

Graham Hill

Mirror cell for the Great Melbourne Telescope speculum mb-code RS-10494 David Jones and John ConnollyStudy of the system of 'equilibrated levers' made by Thomas Grubb (1800 1878), devised for the Armagh Cassegrain telescope and applied to the Great Melbourne Telescope's twin speculum mirrors. Original: albumen print. ca. 1867

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