A lacquered brass Gregorian reflecting telescope by G. Adams, London and dates from the last quarter of the 18th century. It has a metal primary mirror 2⅜ inches (6,8 cm) diameter, and a smaller secondary that is adjusted by the rod that runs along the tube. Focusing to the secondary mirror will be by long shank and screw, two-lens eyepiece of the Huygens type, the tube mounted by bracket and two butterfly wing nuts above joint with altitude and azimuth movement, tapering brass column and folding tripod base, dark glass eye piece and brass endcap. The “G. Adams London” signature could refer to George Adams or to his son of the same name, both of whom worked at this address Fleetstreet, London. In good working condition. Tube length 46 cm and 37 cm high.
Lookfor shop information on website www.vanleestantiques.com
Ask the Dealer
Van Leest Antiques
Van Leest Antiques, based in Utrecht in the Netherlands, specialises in antique scientific and medical instruments. Their collection covers mainly scientific and medical antique instruments: barometers, globes and planataria, nautical instruments, anatomical models, and pharmacy items. Toon Van Leest travels regularly in Europe and visits trade fairs, auctions, and antique dealers to collect stock and to find pieces to fulfil his clients' unusual requests.
As well as being an avid antique collector and dealer, Toon Van Leest is also a dentist. He believes that antiques are a stable investment, not reliant on trends or fashion, and have truly lasting value. Above all, he says, antiques are timeless and never lose their beauty.