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Octagonal Reverse Taper Telescope



Date circa 1750
Dimensions English Metric
Main Tube Length 36.0in 914mm
Main Tube Diameter (objective end) 1.3in 33mm
Main Tube Diameter (eyepiece end) 1.6in 41mm
Total Length 43.0in 1092mm
Closed Length 37.5in 953
Objective Diameter 0.6in 15mm


This telescope has an octagonal reverse-tapered mahogany barrel. The brass objective lens cell had a built-in slide cover, but it is missing. The objective is a single non-achromatic lens. It has one segmented draw (without a retainer), a three lens eyepiece, and a bulbous style eyecup, missing its slide cover. The middle lens in the eyepiece is a replacement. It is not signed by the maker.



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