The geography of the heavens, and class book of astronomy: (1849)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Dick, Thomas, 1774-1857. [from old catalog] · New York, Huntington & Savage · leaf 185
ebruary, or the begin-ning of March, when they describe the curve lines represented in Fig. 2. Afterthe beginning of March, the curvature decreases, till the latter end of May, orthe beginning of June, when they again describe straight lines tending up-wardSjlis in Fig. 3. By and by these straight… … As thv-Sv phenomena are repeated every year, in thesame order, and belong to all the spots that have been per-ceived upon the Suns disc, it is concluded, with good rea-son, that these spots adhere to the surface of the Sun, andrevolve witn it, upon an axis, inclined a little to the paneof the…
Constellations · Stars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.