Improved Sectional Tubular Boiler, Destruction of Trees by Street Gas

Explosive Compounds for Engineering Purposes

Age of Trees and Size of Timber

Beet Root Sugar

Perkins and House's Non-Explosive Kerosene Lamp

Hendricks' Patent Gate Catch

The Philosophy of Alum and Dry Plaster Filling for Fire-Proof Safes

On the Technical Applications of Dialysis

A Long Required Need Supplied

The Postal Telegraph Bill

Scientific and Mechanical Associations

The New Examiner-In-Chief

The Transits of Venus in 1874 and 1882

The New Commissioner of Patents

Velocipede Notes

Galvanized Iron Water Pipes

Manufacturing, Mining, and Railroad Item

Editorial Summary

Patent Cases in Court

Recent American and Foreign Patents

Official List of Patents

Issued by the United States Patent Office

Applications for the Extension of Patents

Patent Offices

European Patents