Features
Improved Vertical Trip Hammer
Manufacture of Indigo Carmine
The Written Languages of Savages
Recent Improvements in the Steam Engine Feeding Scoop for Locomotives
Recent American and Foreign Patents
Manufacturing, Mining, and Railroad Items
Editorial Summary
New Publications
Answers to Correspondents
Boardman's Device for Facing Nuts
Faries' Patent Supplemental Jaw for Screw Wrenches
Improved Tumbling Barrel and Coal Sifter
The Increase of Disease Among Domestic Animals
Paper Collars
The Sanitary Condition of Workshops and Manufactories
Iron Rails on Common Wagon Roads
White Gunpowder
The Bowery Explosion--The Engineer's Defence
Our Planet--Its Past and Future
Interesting Boring and Mining Experiments
Examiners to be Examined
Patents and Claims
Extension Notices
Departments
- Departments
Correspondence
Business and Personal
