Features
Improved Cotton and Hay Press
British Railway Signals
The Artisan in Austria, Russia, and Sweden
Gleason's Improved Band Saw
The Scarabids--The Flower Beetles and their Allies
The Training of Prussian and French Soldiers
The Increasing Use of Glycerin
Mechanical Drawing
The Government Storm Signals
American Magazine Literature
Female Inventive Talent
The Franco-Prussian War
Scientific Intelligence- September 17, 1870
The Sheffield Scientific School of Yale College
Harvard School of Dentistry
Recent American and Foreign Patents- September 17, 1870
Answers to Correspondents- September 17, 1870
Official List of Patents- September 17, 1870
Departments
- Letters
Correspondence- September 17, 1870
- Departments
Business and Personal- September 17, 1870