The book of stars; being a simple explanation of the stars and their uses to boy life, written to conform to the tests of the Boy scouts (1915)
Collins, A. Frederick (Archie Frederick), 1869- · New York, D. Appleton and company · leaf 156
rful discoveries of the moons of Jupiter, the rings ofSaturn, the phases of Venus, the spots on the Sun and a hun-dred other wonders of the sky. A telescope is an arrangement of lenses in a tube for mak-ing the image of a distant object larger on the retina of the 133 THE SPYGLASS OR TELESCOPE 137… … Fig. 148.—Lipperheys Boy Discovers the Telescope. see, so that telescope means just what we should expect it tomean and that is to see afar. There are several kinds of telescopes, but there are onlytwo kinds I want to make clear to you here; in the firstkind the eye sees the object just as it is,…
Astronomy · Stars
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