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Life Saving Devices

The Launching of the Goeland

New Wheel for Vehicles

A Short History of Bridge Building

By C. R. Manners

The Cyanide Process for Gold

Bagasse as Fuel

The New Cathedral for Berlin

On the Durability of Modern Pigments in Oil

By A. P. Laurie

How Liebig's Extract of Meat is Made

Mining, Washing and Calcining South Carolina Land Phosphate

By W. De L. Benedict

Changeable Photo Objectives

On Ancient Mss. Concerning the History of Artillery and the Mechanic Arts

Sketches in Brazil

The Chemical Element Carbon

By Vaughan Cornish

The Structure and Chemistry of Flames

Action of the Alkalies and Bisulphite of Lime upon Wood

By Anton Ihl

Chromosulphuric Acid

Useful Engineering Books

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Russian Sunflower Industry

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    April 16, 1892

    Complex Causes. Alternative Solutions.