The Acropolis of Athens

Wilson's Prehistoric Art.—I

New Method for the Production of High Temperatures, and for the Preparation of Difficultly Fusible Metals, Free from Carbon

Condensation in Steam Engines

Double-Cylinder Steam Fire Engine, London County Council

Six-Coupled Compound Express Engine

Engineering Notes

Miscellaneous Notes

Selected Formulæ

Trade Suggestions from United States Consuls

The New Treptow-Stralau Tunnel under the Spree

The Folding Military Bicycle

Secret History of Smokeless Powder

The Tapestry and Furniture Industries under Napoleon I

Pinus Montezumæ

Plant Foods—Their Absorption and Assimilation

The Extermination of the Mosquito

Toilet and Medicinal Soaps

Processes and Formulas

Luminous Specters

Patents!