Rangefinder telescope rotating scales cap

Rotating scales cover for the rangefinder telescope.

ID:	NAV1504.2
Type:	Rangefinder telescope rotating scales cap
Display location:	Not on display
Creator:	Edward Kahler, E
Date made:	circa 1860
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Diameter: 31 mm;Overall: 14 mm
Parts:	Rangefinder telescope Rangefinder telescope objective lens cap (NAV1504.1) Rangefinder telescope rotating scales cap (NAV1504.2) Rangefinder telescope box (NAV1504.3)