Skip to main content


Copper and Brass Working--The Ansonia Works

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


  • Business and Personal

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top