Newtonian secondary mirror cover

Cover for the elliptical plane mirror made as a secondary mirror for a Newtonian reflector telescope.

Object Details

ID: AST0815.1
Type: Newtonian secondary mirror cover
Display location: Not on display
Creator: Herschel, Caroline Lucretia; Herschel, William Johann Alexander Herschel
Date made: circa 1800
Credit: National Maritime Museum, Greenwich, London, Herschel Collection
Measurements: Diameter: 36 mm;Overall: 37 mm
Parts: Newtonian secondary mirror
  • Newtonian secondary mirror cover (AST0815.1)