Boys' Book of Astronomy


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Boys' Book of Astronomy - Hawks, Ellison

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 Excerpt: ...there is no doubt it is entirely owing to this addition to the observatory that so many have been found. Before the photographic plate was ...