Navy Telescope, Model Mark XX20 Power, Coated Optics, Comes In Box.
Navy Telescope, Model Mark XX20 Power, Coated Optics, Comes In Original Box.
There were hundreds of makers of spyglasses over the last three centuries, and without an engraved name, there is little or no hope of identifying the maker of a telescope. Many forgeries are to be found in auctions since it is easy to engrave a well-known name onto the brass tube of a scope. 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. Many of the scopes were produced for the use of the navy in different countries. Although England, France, and Germany led the world in the production of spyglasses, there are some excellent examples from 18th and 19th century Japan and China. These are rarer than the European scopes.
Item Code - MIL8E41BREA
Periscope - [Extended] Width: 13 1/4" [Retracted] Width: 8 1/4" Height: 1 1/2" Depth: 1 1/2"
Within Box - Width: 9 1/4" Height: 1 7/8" Depth: 2 1/4" Total Weight: 364 g
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