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Eyepiece
Eyepiece used for correction (on a vertical plane) of atmospheric chromatic dispersion. It consists of a prism of adjustable angle, produced by a plano convex lens positioned in the concavity of a plano convex lens, and being allowed to roll in the concavity. Eyepiece devised by G B Airy and William Simms. Engraved inscription on the telescope end of the eyepiece.
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Object Details
| ID: | AST0905 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Eyepiece |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1870 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 35 mm x 51 mm x 43 mm |
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