Scientific American Magazine

Concrete and Cupidity

Smokeless Powder and Ammunition Rooms

Route of Catskill Aqueduct Changed

A Prize for the Extraction of Flax

Growth of our Exports of Manufactures

Ambrose Channel now One-Half Completed

A College of Invention

The Current Supplement

A Scientific Study of the Racehorse, and Its use in Mounting the Skeleton of Sysonby

The New United States Scout Cruiser "Salem"

A Home-Made Air Thermometer

The Largest Locomotive Ever Constructed

A New Egyptian Irrigation Canal

A Locomotive Driving-Wheel Recording Device

Correspondence

New Books, Etc.

Index of Inventions

Recently Patented Inventions

Patents