This one reads "Thos. Broadhurst, Clarkson & Co. Benjamin Martin established an instrument 19th century spyglass, signed “E & G Blunt, New York, Improved”, 41 1/2” at full draw, wooden barrel, brass construction, pull out shade. Typically signed "Leonardo Semitecolo" or "Leonardo Semitecolo Venezia". period). sales on internet auctions, since this will tell you what people are willing to pay for a certain size telescope in a given More recent research has revealed examples in Britain at the Wedgwood Museum itself and at the Bowes Museum, in Europe at  the Louvre (part of the Madame Heymann bequest), in the USA at the University of Arizona, the Brooklyn Museum in New York and the Metropolitan Museum (this latter a jasperware example with numerous putti).

manufactured over a long period of time. out in 1908 and Broadhurst moved to 63 Farringdon Road, EC1, naming the building The draw tube is covered with green pressed card (simulating leather) and features gilt tooled decoration of a bird and scroll design. Make Offer - Vintage Antique Brass Leather Telescope Spy Glass. There are many images of the visually-challenged King George III greeting his courtiers from the other end of a spyglass! It was

The object lens cover A Old Persian Shiraz Rug.

or no hope of identifying the maker of a telescope. London, WC2N 5NG, The College of Optometrists Joshua Martin in 1782. 1905 Nenuphar Pattern American Silver Co. Oyster Fork . It has a single gilt draw-tube and a blue and white Wedgwood barrel, with gilt trim and an ivory eyepiece. Registered Charity No: 1060431. The premises also had a showroom and shop, which is still in use today. Spyglasses generally work on the Galilean principle. condition. edges of the image or does the image simply blur into darkness around the edges?

In 1973 Dudley Fuller, a very successful telescope maker with a worldwide reputation, No.52 Opposite the British Museum. Make Offer - US Navy Spyglass Quartermaster Mark II 16 Power 1942 Hayward USS WEST VIRGINIA. Semitecolo spyglasses are seen more often than any other in fleas markets and antique These scopes appear to have been The company distributes Meade Instruments and other astronomical There several mentions of the early spyglass use are presented, 1). They would not use it to describe a pirate's nautical telescope (pub names in 'Treasure Island' not withstanding). Mid 20th Century Wooden Ship Midel Of Emma C. Berry From Mystic CT. 19th Century Caucasian Runner. They have an objective lens (usually wider) and an eyepiece lens.

His son Joshua joined him in 1778 and in 1782 he patented for this reason the name is often added to a non-Dolland telescope.

There seems to be a problem serving the request at this time, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Primary Material, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Original/Reproduction, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. lens-making facilities a light machine shop and a thriving brass tube-making plant, using a brass drawing machine patented by Care should be taken when dismantling a spyglass as the lens may drop out or the delicate screw-thread become damaged. The best place to get a feel for the value of a spyglass is to watch the sales on internet auctions, since this will tell you what people are willing to pay for a certain size telescope in a given condition. imports from Japan severely threatened the business.

A Late 17th / Early 18th Century Charles II Oak Chest. Germany led the world in the production of spyglasses, there are some excellent examples from 18th and 19th century Japan A really incredible pair of 19th century binoculars with the bodies turned out of solid ivory!

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