Volume 47, Issue 1220supp
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Features
Wilson's Prehistoric Art.—I
New Method for the Production of High Temperatures, and for the Preparation of Difficultly Fusible Metals, Free from Carbon
Double-Cylinder Steam Fire Engine, London County Council
Condensation in Steam Engines
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
The Tapestry and Furniture Industries under Napoleon I
Secret History of Smokeless Powder
Pinus Montezumæ
Plant Foods—Their Absorption and Assimilation
The Extermination of the Mosquito
Toilet and Medicinal Soaps
Processes and Formulas