Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 71
h Tycho dis-covered, and of many stars, were determined with abso-lute certainty ; biit astronomers began to be ambitious.It was nccespary in using this instrument to wait till a 48 STARGAZING : PAST AND PRESENT. [book I. celestial body got to the meridian. If it was missed,then they had to wait… … Fu!. 18. -The Quadrans Maxiraus reproduced from Tychos plate. Seeing, therefore, that clocks were improving, it wassuggested by one of Tychos compeers, the Landgraveof Hesse-Cassel, that by an instrument arranged some-thing like Fig. 18, it w^ould be possible to determinethe exact position of any…
Astronomy · Telescopes
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