Astronomy for the use of schools and academies (1882) (14764364175)

Identifier: astronomyforuseo00gill (find matches)
Title: Astronomy for the use of schools and academies
Year: 1882 (1880s)
Authors: Gillet, J. A. (Joseph Anthony), 1837-1908 Rolfe, W. J. (William James), 1827-1910
Subjects: Astronomy
Publisher: New York : Potter, Ainsworth, & Co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress



Text Appearing Before Image:
Fig. 347- of these masses varies from a few pounds to several tons.The entire number of aerolites of which we have any knowl-edge is therefore about four hundred and twentv.
Text Appearing After Image:
Fig. 348.Aerolites are composed of the same elementary substancesas occur in terrestrial minerals, not a single new elementhaving been found in their analysis. Of the sixty or more ASTRONOMY. 307 elements now recognized by chemists, about twenty have beenfound in aerolites. While aerolites contain no new elements, their appearanceis quite peculiar; and the compounds found in them are so