Astronography, or, Astronomical geography, with the use of globes : arranged either for simultaneous reading and study in classes, or for study in the common method (1854)
idian divide boththe Spheres ?—14. What is Longitude ? Does the Meridianbelong to the Permanent or the Movable Positions ? For whatmay a Meridian be used? In what case do Meridians belongwholly to the Permanent Positions ?—15. (Draw and explain thefigure.) What is the angle of any Observers… … tho h t!.at angle a* the centre which is subtended by theatrial Arc <,/ {},, /. the What ta the etc of latitude to each 50 REAL MOTION CAUSES APPARENT* part of the Earths surface between the Observer and theEquator. The Celestial Arc of the Latitude is the Con-centric Arc on the Meridian…
Astronomy
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