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SCIENTIFIC AMERICAN SUPPLEMENT NO. 344




NEW YORK, August 5, 1882

Scientific American Supplement. Vol. XIV, No. 344.

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. ENGINEERING AND MECHANICS.--The Panama Canal. By
MANUEL EISSLER. I.--Historical notes.--Spanish Discoveries
in Central America.--Early explorations.--Nicaragua
projects.--Panama railway, etc.