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Description: | Reflecting telescope with speculum mirror of 9 1/4-inch aperture by James Short, London [6/1364 = 49] on equatorial stand arranged to be used as a Gregorian, Cassegrainian or Newtonian, with spare secondary mirrors in metal case and 3 eyepieces (two oak staves, small brass screws etc added in 1913). | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | telescope - Newtonian telescope - Gregorian telescope - Cassegrain telescope - reflecting | Temporal: | 1767-1768 | Source: | Science Museum | Creator: | Short, James | Identifier: | http://collectionsonline.nmsi.ac.uk/grab... | Go to resource |
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