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Features

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

By M Goldschmidt

Condensation in Steam Engines

Double-Cylinder Steam Fire Engine, London County Council

Six-Coupled Compound Express Engine

Engineering Notes

Selected Formulæ

Miscellaneous Notes

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

By Henry C. Weeks

Luminous Specters

Toilet and Medicinal Soaps

Processes and Formulas

Patents!

Departments

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May 20, 1899

Think Outside the Gift Box