Guy's elements of astronomy, and an abridgement of Keith's New treatise on the use of the globes (1832)
Guy, Joseph. [from old catalog], Keith, Thomas, 1759-1824. A new treatise on the use of the globes. [from old catalog] · Philadelphia, Key, Mielke & Biddle · leaf 98
refract the rays of light from the sun. The suns rays falling upon the higher parts of it be-fore rising, causes by reflection a faint light, which in-creases till he appears above the horizon; and in theevening decreases after he sets, till he is eighteen de-grees below the horizon, where the… … hur I
Astronomy · Celestial globes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
