Astronomy with an opera-glass: a popular introduction to the study of the starry heavens with the simplest of optical instruments, with maps and directions to facilitate the recognition of the constellations and the principal stars visible to the naked eye; (1888)
Serviss, Garrett Putman, 1851-1929 · New York, London, D. Appleton and company · leaf 144
a corresponding scale of grand-eur. Of course, its details are far beyond the reach of theinstrument we are supposed to be using, and yet, even witha field-glass, or a powerful opera-glass, some of its main feat-ures are visible. It is represented in our picture of the half-moon, being the lowest… … Sunrise on Clavius, Tycho, Plato, etc. in its interior have brought them into sight as a point oflight, and at the same time, reaching across the gulf within,have lighted up the higherslopes of the great mountain-wall on the farther or easternside of the crater - valley,making it resemble a…
Astronomy
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