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antiques advice from John Bly
   

Item No. 53511



A good example of a Gregorian telescope, so named after its inventor James Gregory, 1638-1675. The shagreen cased Scope with external focus adjustment on a finely turned brass Stand with folding tripod base of superb quality. Retaining its original palladium mirror; a rare white metal discovered in 1803, element symbol Pd, atomic number 46.

Height: 19 ins (48 cms), Width: 17 ins (43 cms), Depth: 9 ins (23 cms),

Circa 1805

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Five generations