Growth of our Exports of Manufactures
Concrete and Cupidity
A Prize for the Extraction of Flax
Ambrose Channel now One-Half Completed
Smokeless Powder and Ammunition Rooms
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 Locomotive Driving-Wheel Recording Device
A New Egyptian Irrigation Canal
Recently Patented Inventions
Index of Inventions
New Books, Etc.