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CIRCA 1800 NAVAL TELESCOPE

CIRCA 1800 NAVAL TELESCOPE
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CIRCA 1800 NAVAL TELESCOPE
CIRCA 1800 NAVAL TELESCOPE
CIRCA 1800 NAVAL TELESCOPE
CIRCA 1800 NAVAL TELESCOPE
CIRCA 1800 NAVAL TELESCOPE

LOT DETAILS

A good, single drawer refracting telescope of 6.4cm (2 1/2in) diameter, leather covered barrel (repaired), very unusual construction with a 3.2cm (1 1/4in) achromatic doublet eyepiece and 4.4cm (1 3/4in) achromatic doublet OG lens combination; powerful 20-25x optics and retaining most of its original golden lacquer; estimated age circa 1800, complete with stand; rare, unrecorded signature (Daniel & Jones, Day & Night) - length 50.8cm (20in); when fully extended 87.6cm (34 1/2in); seam repair with later leather strapping and shrinkage cracks; one lens inside is missing and unfortunately the telescope will not focus