Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 134
en the San was exactlysouth of the obelisk (on the meridian due south of the ob-server and at its greatest altitude) the shadow lay exactlyto the north and it was the shortest. As the Sun drewtowards the west the shadow moved towards the east and * We know that a Sun-dial was set up in Rome B.C.… … Fig. 59.—Galileo. Born 1564; died 1642. 113 114 ASTRONOMY. grew longer; and as the Sun was setting in the west theshadow pointed towards the east. A circle was traced on the ground round the obeliskand the north point of the circlewas marked. When the shadowfell at this point the Sun wasdue south…
Astronomy
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