Features
Scientific Use of the Imagination- November 26, 1870
Notes and Maxims about Health
Steam Railroad Ferries between England and France
The Balloon as an Aid to Meteorological Research
Improved Breast-Strap Protecter for Harness
Perpetual Motion
The Wyckoff Wood Pavement
Pierced Cores in Metal Casting
Strong's Patent Fireplace
Beet-Root Sugar--How the War is Likely to Affect the Manufacture in France
The "Scientific American"—What it has Done and What it Expects to do
The Principle of Bracing
Shad vs. Black Bass
Application of Ruhmkorff's Induction Coil to the Copying of Drawings
Letters from the South- November 26, 1870
Pyrotechnic Mixtures
Applications for the Extension of Patents- November 26, 1870
Queries- November 26, 1870
Recent American and Foreign Patents- November 26, 1870
Answers to Correspondents- November 26, 1870
Official List of Patents- November 26, 1870
Departments
- Letters
Correspondence- November 26, 1870
- Recommended
New Books and Publications- November 26, 1870
- Departments
Business and Personal- November 26, 1870
