The wonders of the heavens, being a popular view of astronomy, including a full illustration of the mechanism of the heavens; embracing the sun, moon, and stars, with descriptions of the planets, comets, fixed stars, double stars, the constellations, the galaxy, or milky-way, the zodiacal light, aurora borealis, or norhtern lights, meteors, clouds, falling stars, aërolites, &c (1837)
Bradford, Duncan. [from old catalog] · Boston, American stationers company · leaf 336
hers as a principle consisting in pulsa-tions, or vibrations, propagated from the luminousbody through a subtle etherial medium, whichaffects the optic nerve in the same manner as soundaffects the organ of hearing. But this uncertaintyhas not prevented astronomers from obtaining aknowledge of its… … flows fi:om a point A, and passes through a squarehole B, be received upon a plane C parallel tothe plane of the hole, or let the figure C be theshadow of the plane B, and when the distance Cis double of B, the length and breadth of theshadow C will be each double of the length andbreadth of the…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
