[Illustration]




SCIENTIFIC AMERICAN SUPPLEMENT NO. 481




NEW YORK, MARCH 21, 1885

Scientific American Supplement. Vol. XIX, No. 481.

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 Righi Railroad.--With
3 engravings.

The Chinese Pump.--1 figure.