Telescope eyepiece cap

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Telescope eyepiece cap made from brass with a dark, glass lens. The top of the cap is black and has concentric circles.

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ID:	AST0948.6
Type:	Telescope eyepiece cap
Display location:	Not on display
Creator:	Unknown
Date made:	18th century; Unknown
Credit:	National Maritime Museum, Greenwich, London. Presented to the Museum in 1962.
Measurements:	Diameter: 41 mm;Overall: 8 mm
Parts:	Portable reflector telescope (Telescope) Telescope objective cap (AST0948.1) Telescope eyepiece (AST0948.2) Telescope eyepiece (AST0948.3) Telescope eyepiece (AST0948.4) Telescope eyepiece cap (AST0948.5) Telescope eyepiece cap (AST0948.6) Telescope eyepiece cap (AST0948.7) Telescope mirror bracket (AST0948.8) Box (AST0948.9) Box lid (AST0948.10) Telescope box (AST0948.11) Telescope box key (AST0948.12) Telescope box screw (AST0948.13)