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Other Dollond Instruments
Wooden Library Telescope
|Signature||Dollond , London|
|Number of Draws||1|
|Main Tube Length||28.8in||732mm|
|Main Tube Diameter||2.6in||66mm|
|Objective Clear Aperture Diameter||2.2in||55mm|
This telescope has a round tapered mahogany barrel, painted reddish-brown. The objective lens is an achromatic doublet and has a push-on cap. It has a single brass draw with rack and pinion focusing by a thumbwheel. There are two separate eyepiece tubes, which screw into the draw:
Terrestrial: It has four lenses, contained in a segmented brass tube, with a flared eyecup.
Astronomical: It has a Huygens two-lens eyepiece, contained in a short brass tube. It produces an inverted image. This eyepiece also has a screw-on flared lens cup containing a sun filter.
It is signed "Dollond * London" on the brass back plate of the barrel. The telescope mounts on a folding cabriole tabletop stand.
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