Portable refractor telescope

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Telescope stand knob

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ID:	AST0930.7
Type:	Telescope stand knob
Display location:	Not on display
Creator:	Tulley, Charles; T. Cooke and Sons Ltd
Date made:	circa 1800-40
Credit:	National Maritime Museum, Greenwich, London. Presented to the Museum in 1980.
Measurements:	Diameter: 23 mm;Overall: 5 mm
Parts:	Portable refractor telescope (Telescope) Portable refractor telescope (Telescope barrel) (AST0930.1) Portable refractor telescope (Telescope eyepiece) (AST0930.2) Portable refractor telescope (Telescope eyepiece) (AST0930.3) Portable refractor telescope (Telescope eyepiece) (AST0930.4) Portable refractor telescope (Telescope stand) (AST0930.5) Portable refractor telescope (Telescope stand knob) (AST0930.6) Portable refractor telescope (Telescope stand knob) (AST0930.7) Portable refractor telescope (Telescope box) (AST0930.8)