Speculum Metal Mirror, 1850-70

Made:
1850-1870 in Patricroft
maker:
James Hall Nasmyth

Speculum metal mirror, one of four, a flat circular tertiary mirror for use at the Nasmyth focus of Nasmyth's 20-inch reflecting telescope (?), Salford, England, 1850-70.

Details

Category:
Astronomy
Object Number:
1897-15/2
type:
metal mirrors
taxonomy:
  • components
credit:
Lieutenant General A de Gorloff
status:
Permanent collection

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