Category: Science - Physics
The Geographical Miles, which are used in the scales and tables of this book, are _German Geographical Miles_, of which 15 make one degree. The teacher or pupil may easily change them into _English Geographical_ Miles, by multiplying them by 4, the square miles by 16, and the...
The Geographical Miles, which are used in the scales and tables of this book, are _German Geographical Miles_, of which 15 make one degree. The teacher or pupil may easily chang...
2. Part 2§ 19. It remains for us to speak of that class of bodies known by the name of _Comets_, (see Lesson I, § 6). Of these an unknown number belongs to our Solar System.—(Some philos...
3. Part 3You will observe from a close inspection of these figures, that the whole extent of land on our globe is nearly equal to that of a temperate zone; and that if it were possible t...