Features
Improvement in Propellers
California Academy of Natural Science
Brick Machines
Indigestibility of Soup
Gun Cotton for Cannon
All Fools not Dead Yet
Railroad Collisions
Magnetic Observatory
Is Medicine a Science
The Flying Ship
British Association for the Advancement of Science—No. 3
American Progress in Manufacture
American Clippers in England
Carving Machine
The Crystal Palace
Oval Turning Lathe
New Railroad Brake
Machine for Filing Saws
Iron Shutters
Valve Gear for Locomotives
Grinding Circular Saws
Fork Bending Machine
Hanging Saws
India Rubber for Ever
The Coal Industry of the United States
The Art of Dyeing and Coloring
Steam Harmonicon
War, and Its Effects upon Mechanics and Inventors
Alarm Whistle at Sea
The Telegraph in Australia
Patents in Canada
More Life Boats
List of Patent Claims
The Wood Gas Controversy
Important Items
History of Reaping Machine—No. 7
The Rubber Trade
Tubular Bridges in Canada
Palm Oil Candles
Departments
- From the Editor
To Correspondents
