Features
Hot Weather and Hydrophobia
The New Comet. Coggia
Philosophers on Sound
The Astor Library
Protection from Fire
Science Beads an Oracle Relating to the Metallurgy of the Future
Bonser's Patent Steam Trap
Electric Phenomena of the Leaves of the Fly Catcher
Bloodless Surgery
Feathering Arrow Heads
A Novel Mechanical Movement
Pond's Patent Spanner
Improved Grappling Tools
The Jubea Spectabilis Palm
The Convention of the Civil Engineers
Decisions of to Courts - July 4, 1874
Recent American and Foreign Patents - July 4, 1874
Sceientific and Practical Information - July 4, 1874
Communication Received - July 4, 1874
Answers to Correspondents - July 4, 1874
Canadian Patents - July 4, 1874
Departments
- Letters
Correspondence - July 4, 1874
- Recommended
New Books and Publications - July 4, 1874
- Departments
Business and Personal - July 4, 1874
Index of Inventions - July 4, 1874
Patents - July 4, 1874
