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Other Instruments by Ramsden


Three-Draw Telescope

Signature Ramsden, London

Date Late 1700s
Dimensions English Metric
Main Tube Length 4.9in 124mm
Main Tube Diameter 1.5in 37mm
Total Length 13.1in 333mm
Closed Length 5.2in 132mm
Objective Clear Aperture Diameter 1.3in 33mm


This telescope has a parallel mahogany barrel.  The objective lens appears to be a replacement. It has three brass draws, each of which has had repairs.  The segmented eye tube is missing one lens and may be missing a brass segment. The flared eyecup has a seized swivel cover.  The largest draw is signed "Ramsden, London" with the eye tube to the left.


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