Scientific American Magazine
Volume 19, Issue 11You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Vertical Trip Hammer
Copper and Brass Working--The Ansonia Works
Manufacture of Indigo Carmine
The Written Languages of Savages
Recent Improvements in the Steam Engine Feeding Scoop for Locomotives
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
Editorial Summary
New Publications
Answers to Correspondents
Boardman's Device for Facing Nuts
Improved Tumbling Barrel and Coal Sifter
Faries' Patent Supplemental Jaw for Screw Wrenches
Paper Collars
The Sanitary Condition of Workshops and Manufactories
Iron Rails on Common Wagon Roads
The Increase of Disease Among Domestic Animals
Examiners to be Examined
Our Planet--Its Past and Future
The Bowery Explosion--The Engineer's Defence
Interesting Boring and Mining Experiments
Patents and Claims
White Gunpowder
Extension Notices
Departments
Correspondence
Business and Personal