Probably Dollonds smallest telescope………….circa 1820, a very rare early 19th century example with a non-achromatic objective lens. It has a black barrel, silver plated end collars and draw tube, and a blackened ivory eye-piece. A little loss to some of the plate on the draw tube but all in good condition, the draw tube sliding nicely without slackness.
It gives a good clear image with a magnification of approximately 3 x.
Length open – 8 cms. Closed – 5.5 cms. Main lens – 1.7 cms.
Ask the Dealer
I live in Lancashire (U.K.) and have been a dealer and collector of scientific and nautical instruments for a number of years. My stock has included some fine items from museums and colleges, which were surplus to their requirements. I occasionally purchase some interesting items from abroad, having established some reliable sources.