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Title: Telescope draw tube [Go to resource]
Description: Telescope draw tube made from brass with a glass lens. The tube has a brown eyepiece, which has a slide closure. Focal length: 22.3". O.G.diameter: 1.5". Publisher: "http://collections.rmg.co.uk/" Source: Royal Museums Greenwich Identifier: http://collections.rmg.co.uk/collections... Go to resource More Like this...
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