Features
Shortt's Self-Centering Sleeve Coupling
Bronze vs. Steel and Iron for Field Artillery
The Dissipation of Energy
On the Application of the Hot Blast to Blow-Pipe Purposes
The Bridge de L'aisne on the Railway from Soissons to Laon, in France
Important Patent Office Decisions
Bussell's Disk Cultivator and Harrow
The Use of Balloons in Warfare
New Relations of Silica
History and Progress of Photography
Resources of the South--Notes of a Trip from New York to Western Texas
Fair of the American Institute- October 1, 1870
New Mechanical Movements- October 1, 1870
Scientific Intelligence- October 1, 1870
Answers to Correspondents- October 1, 1870
Recent American and Foreign Patents- October 1, 1870
Official List of Patents- October 1, 1870
Departments
- Letters
Correspondence- October 1, 1870
- Recommended
New Books and Publications- October 1, 1870
- Departments
Business and Personal- October 1, 1870
