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