Familiar lessons on astronomy ; designed for the use of children and youth .. (1848)
Fowler, Lydia F. (Lydia Folger), 1823-1879 · New York, Fowlers & Wells · leaf 154
THE TELESCOPE. REFRACTING TELESCOPES. 145 CHAPTER XIII. TELESCOPES. 1. When we look into the heavens with the nakedeye, the stars appear hke small points, and countlessmultitudes are veiled from our sight. It is only by theaid of the telescope that we can ascertain their rela-tive magnitudes,…
Astronomy
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