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Title: Pocket draw-tube spyglass telescope [Go to resource]
Description: ePocket hand-held spyglass telescope, non-achromatic (Galilean type), single draw-tube, shagreen & leather tube with ivory and brass fitting, sliding lens covers, unsigned, English, 1700-1750. The telescope has been sectioned longitudinally to show its construction. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telescope - terrestrial Temporal: 1700-1750 Source: Science Museum Creator: Unknown maker Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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