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SCIENTIFIC AMERICAN SUPPLEMENT NO. 819




NEW YORK, SEPTEMBER 12, 1891.

Scientific American Supplement. Vol. XXXII, No. 819.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

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TABLE OF CONTENTS.


I. ASTRONOMY.--The Story of the Universe.--By Dr. WILLIAM
HUGGINS.--A valuable account of modern views of the formation