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SCIENTIFIC AMERICAN SUPPLEMENT NO. 401




NEW YORK, SEPTEMBER 8, 1883

Scientific American Supplement. Vol. XVI, No. 401.

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. CHEMISTRY.--On the Different Modifications of Silver Bromide
and Silver Chloride.

Analysis of New Zealand Coal.