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 94
ide, a handbook for the determination of thelongitude at sea by the method of lunars. At the same time, the other method, that by thetime-keeper or chronometer, was practically tested HALLEY AND HIS SUCCESSORS 9 by him. The time-keeper constructed by JohnHarrison had been tested by a voyage to… … hadleys quadrant.{From an old print.) him to test its performance, in the capacity ofchaplain to his Majestys ship Louisa. The position which Maskelyne had already wonfor himself as a practical astronomer, and the intimaterelations into which he had entered with Bradleyand Bliss, made his…
Royal Greenwich Observatory · Astronomy
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