The Royal observatory, Greenwich. A glance at its history and work (1900)
Maunder, E. Walter (Edward Walter), 1851-1928 · London, The Religious tract society · leaf 281
THE WORKSHOP. Here the spectroscope is now placed, but not, asit happens, on the Thompson refractor. The equa-torial mounting in this new dome is a modification ofwhat is usually called the German form of mounting—that is to say, there is but one pier to support thetelescope, and the telescope… … THE 30-INCH REFLECTOR WITH THE NEW SPECTROSCOPEATTACHED. THE SPECTROSCOPIC DEPARTMENT 279 The ■ Great Equatorial/ on the other hand, is anexample of the English mounting, and has two piers,one north and the other south, whilst the telescopeswings in a frame between them. In the new domethree…
Royal Greenwich Observatory · Astronomy
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