Variable power telescope

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The barrel of this achromatic telescope is covered in pigskin, while the other fittings are made of brass. The telescope's magnifying power can be adjusted by turning two milled rings at the eyepiece end - one to change the magnification, the other for focusing. The telescope’s pigskin case also survives although the top is now missing.

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Object Details

ID:	NAV1580
Collection:	Astronomical and navigational instruments
Type:	Variable power telescope
Display location:	Not on display
Creator:	Unknown
Date made:	circa 1890
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 654 mm; Diameter: 60 mm
Parts:	Variable power telescope Variable power telescope case (NAV1580.1)