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13" pyrex mirror
Described on the box as a '12" pyrex mirror/ Field Eclipse equatorial". However, the mirror does not appear to match this discription. The mirror has a focal length of approx 1500mm. This is a concave miror with a central hole - the type of mirror used in cassegrain telescopes.
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Object Details
| ID: | ZBA0720 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | 13" pyrex mirror |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | Unknown |
| Credit: | Components. National Maritime Museum, Greenwich, London, RGO Collection |
| Measurements: | Overall: 55 mm x 310 mm |
| Parts: | 13" pyrex mirror |