Reverse Taper Telescope

Signature

Date

circa 1750

Dimensions

English

Metric

Main Tube Length

48.5in

1232mm

Main Tube Diameter (objective end)

1.6in

40mm

Main Tube Diameter (eyepiece end)

2.0in

50mm

Total Length

58in

1470mm

Objective Diameter

0.9in

23mm

Description

This telescope has a very long round reverse-tapered wood barrel. The screw-on brass objective lens cap has a built-in slide cover. The single objective lens is non-achromatic and it has been replaced. It has one segmented draw (without retention), a three lens eyepiece, and a bulbous style eyecup with a slide cover. It is not signed by the maker.

College of Optical Sciences
The University of Arizona, 1630 East University Boulevard, Tucson, Arizona U.S.A. 85721-0094