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 80
bserved on theopposite side of the pole from Gamma Draconis;then Bradley investigated as to whether refractionmight explain the difficulty, but again withoutsuccess. He now was most keenly interested in theproblem, and he purchased a zenith telescope of hisown, made, like that of Molyneux, by… … GRAHAMS ZENITH SECTOR. (From an old print.) 78 THE ROYAL OBSERVATORY he saw with surprise that it shifted its direction everytime that the boat was put about. Remarking to theboatmen that it was very odd that the wind shouldchange just at the same moment that there was ashift in the boats course,…
Royal Greenwich Observatory · Astronomy
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![An illustration from Cosmographia Francisci Mavrolyci Messanensis Sicvli : in tres dialogos distincta, in quibus de forma, situ numerʹoq[ue] tam coelorum q[uam] elementorum, alijsq[ue] rebus ad astronomica rudimenta spectantibus satis disseritur (1543)](https://img.insideoutlibrary.com/img/200/ia-cosmographiafran00maur-177-0.webp)
