Gregorian secondary mirror cover

Gregorian secondary mirror cover.

Object Details

ID: AST0830.1
Type: Gregorian secondary mirror cover
Display location: Not on display
Creator: Herschel, William
Date made: circa 1773
Credit: National Maritime Museum, Greenwich, London, Herschel Collection
Measurements: Diameter: 36 mm;Overall: 14 mm
Parts: Gregorian secondary mirror
  • Gregorian secondary mirror cover (AST0830.1)
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