| 14"
John Cartlidge Newtonian Reflector |
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| Primary Mirror - 14 inches (ground
from a battleship porthole) |
| Focal Length - 77 inches (1956 mm) |
| Focal Ratio - f/5.5 |
| Built from scratch by John Cartlidge over a period of twenty yearsAcquired by CAS in the early 1950s |