Features
Improved Rebolting Machine
A Chance for Inventors
The Light of Coming Days
A City Built by One Man
Fire Damp Explosions Produced by Sound
Proceedings of the American Association for the Advancement of Sciemce
A Portable Railway
Fabric Printing Machine
Scientific and Practical Information - August 29, 1874
Specific Heat
Practical Mechanism - August 29, 1874
Number VII.
Improved Hand Crank Drill
The Blackstone and Elmer Water Wheel
Bouquets From Field and Garden
Recent American and Foreign Patents - August 29, 1874
A New Scientific Museum
Decisions of the Courts - August 29, 1874
Answers to Correspondents - August 29, 1874
Canadian Patents - August 29, 1874
Communications Received - August 29, 1874
Departments
- Letters
Correspondence - August 29, 1874
- Recommended
New Books and Publications - August 29, 1874
- Departments
Business and Personal - August 29, 1874
Index of Inventions - August 29, 1874
