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SCIENTIFIC AMERICAN SUPPLEMENT NO. 430




NEW YORK, MARCH 29, 1884

Scientific American Supplement. Vol. XVII, No. 430.

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, MECHANICS, ETC.--The Iron Industry In Brazil.--By
Prof. P. FEHRAND.--Methods of obtaining iron.--Operation
of the system.--Elaboration of the ore.--Setting up a forge.--
Selling price of iron