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 385
enthese two, so as to see the suns light reflected ina plane inclined forty-five degrees to the horizon,we shall perceive a spectrum inclined forty-fivedegrees to the horizon, with the violet ray inner-most. Since, in a shower of rain, there are drops in all positions relative to the eye, the eye… … rain exposed to the suns rays, incident upon themin the direction RE, R F; out of the whole beamof light which falls upon the drop, those rays whichpass through or near the axis of the drop will berefracted to a focus behind it; but those which fallon the upper side of the drop will be refi^acted,…
Astronomy
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