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SCIENTIFIC AMERICAN SUPPLEMENT NO. 829




NEW YORK, November 21, 1891.

Scientific American Supplement. Vol. XXXII, No. 829.

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 Sun's Motion in Space.--By A.M. CLERKE.--
A very interesting article on the determination of this hitherto
uncertain factor.