An easy introduction to astronomy for young gentlemen and ladies : describing the figure motions, and dimensions of the earth : the different seasons : gravity and light : the solar system : the transit of Venus and its use in astronomy : the moon's motion and phases : the eclipses of the sun and moon : the cause of the ebbing and flowing of the sea, &c. (1812)
Ferguson, James, 1710-1776 · Philadelphia : Johnson and Warner, Ann Cochran, printer · leaf 28
t of all this ? N. From actual measurement arid observation?the earth is proved to be a little flattened at thepoles and swelled out about the equator -, the equa-torial diameter of the earth being thirty-five mileslonger than the axis or polar diameter. This youmay think a great deal, but it is… … Gv&ylUToaaSc,
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
