A mid-18th Century 1in. single draw mahogany and brass telescope by Dollond
A mid-18th Century 1in. single draw mahogany and brass telescope by Dollond

细节
A mid-18th Century 1in. single draw mahogany and brass telescope by Dollond
the decagonal body tube with brass fittings, the main lens dust slide signed Dollond London, dust slide to eyepiece, extended length -- 42in. (107cm.)
See illustration