UNIVERSAL HISTORY ARCHIVE / UIG / SCIENCE PHOTO LIBRARY UNIVERSAL HISTORY ARCHIVE / UIG / SCIENCE PHOTO LIBRARY
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).
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