A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 71
t. Thus forFig. 45. New York the lat. of which is about 40r : 90° - 40F = 49£°comp. of lat. Hence, 49F + 23£°= 73°, greatest altitude; and49^°-23F = 26°, least altitude. In the diagram, P P representsthe celestial poles, E E the equi-H noctial, Z N the zenith and nadir,H H the horizon, S the… … GEEATEST AND LEAST ALTITUDE OP THE SUN. tude; and E H — E S, its least. 96. The two opposite points of the ecliptic, where itcrosses the equinoctial, are called the Equinoctial Points,or Equinoxes. The one which the sun passes in March iscalled the Vernal Equinox ; that which it passes in…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-147-367.webp)
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-64-40.webp)
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-147-368.webp)
