[Illustration]




SCIENTIFIC AMERICAN SUPPLEMENT NO. 303




NEW YORK, OCTOBER 22, 1881

Scientific American Supplement. Vol. XII, No. 303.

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.--New Eighty-ton Steam Hammer at the Saint
Chamond Works, France.--7 figures.--Elevation of hammer.--Profile--
Transverse section.--Profile view of foundation, etc.--Plan of
plant.--General plan of the forging mill.--Details of truss and
support for the cranes.