Features
Improved Fulling Mill
The Coming Arctic Expeditions
Schools of Observation
Dangerous Houses
The Antiquity of Life
Deadly Ballooning
The Laws of Storms
Patent Litigation in England and the United States
Engine Valve Motion
Improved Chisel Tooth Saw
Improved Turpentine Tool
Improved Attachment for Injectors
Stewart's Improved Stove Damper
Scientific and Practical Information - May 22, 1875
Practical Mechanism
Improved Yarn Spooler
Improved Skein Setter
The Death's Head Moth
The Scorpion Fly
Car Axles and Couplings
Recent American and Foreign Patents - May 22, 1875
Communications Received - May 22, 1875
Departments
- Letters
Correspondence - May 22, 1875
- Departments
Business and Personal - May 22, 1875
Notes and Queries - May 22, 1875
Index of Inventions - May 22, 1875
