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)
ess ? What is the title of his greatwork? THE THREE SPHERICAL SYSTEMS. 261 in a great work, written in Latin, and entitled, Philoso-phise Naturali Principia Mathematical familiarly quotedas Newtons Principia. EXERCISES. We will now review our three Spherical Systems; and then inidea we will add a… … ~*-*-#-#-*L*-*-#- you study the figure, you draw on paper, increase the linear size,at least four times,—and twice that amount if you draw ona blackboard. You will then be able to make these charac-ters much more distinctive, and especially to show a greater 262 THE GALACTIC SYSTEM. difference…
Astronomy
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