Collection Home > Telescopes > Single-Draw > Single-Draw Telescope
Other Gilbert Telescopes
|Signature||Gilbert & Co., London|
|Main Tube Length||37.5in||953mm|
|Main Tube Diameter||2.2in||57mm|
|Objective Clear Aperture Diameter||1.5in||38mm|
This telescope has a round tapered mahogany barrel, wrapped with tape and painted red. The objective lens was an achromatic doublet, but the front lens is missing. The brass lens cell had a sliding cover, but it I also missing. It has a single brass draw (without retention), a four lens eyepiece, and a tapered eyecup, missing its slide cover. It is signed "Improv'd Sea Telescope Gilbert & Co. London" on the draw, with the eyecup to the left.
College of Optical Sciences
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