The Great Melbourne Telescope on a temporary mounting in Ireland before being shipped out to Australia. Built by Grubbs of Dublin this instrument,a Cassegrain reflector,had a 48 inch (122 cm) speculum metal mirror and was fully steerable. Part of the tube was built in lattice form to reduce weight. From The Illustrated London News (London,14 November 1868) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 3757 px × 4652 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |