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Other Dollond Instruments

 

Dollond Single-Draw with Sunshade

Signature Dollond, London/ Achromatic Night

Date Circa 1800
Dimensions English Metric
Main Tube Length 24.0in 610mm
Main Tube Diameter 2.8in 70mm
Total Length 37.0in 940mm
Closed Length 26.0in 660mm
Objective Clear Aperture Diameter 1.6in 40mm

Description

This telescope has a round parallel brass barrel, covered with red wool fabric (a replacement for the original covering), with "turk's head" knots added at both ends.  It has an extendable shade, and the objective lens cover, of unknown configuration, is missing.  The objective is an achromatic doublet.  It has one draw and a four lens eyepiece, but the fourth lens, the eye lens, is missing.  The terminal portion of the bulbous style eyecup and its slide are also missing.  It is signed "Dollond   London   Achromatic Night" on the draw, with the eyecup to the right.

 

 


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