The Rotation Period of the Sun: As Determined From the Motions of the Calcium Flocculi
George E. Hale
Paperback
(Forgotten Books, March 5, 2018)
Excerpt from The Rotation Period of the Sun: As Determined From the Motions of the Calcium FlocculiFor a more complete description of this spectroheliograph, in its original form. See Astronomy and astra-physics, _may, 1892, p. 407. See Young, Amer. Four. Sec, November, 1880.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.