Cornell University Library Historical Monographs is a collection of selected monographs with expired copyrights chosen from a variety of disciplines. These were monographs that were brittle and decaying and in need of rescue.

These monographs were digitally scanned and facsimile editions on acid free paper were created. For more information please visit ourAbout page.

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The Cornell University Library Historical Monographs Collection is open to the general public, in accordance with the terms set forth in theGuidelines for Using Public Domain Text, Images, Audio and Video Reproduced from Cornell Digital Library Collections.

Burgel, Bruno Hans.Astronomy for all. (Illustration)