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Features

Manufactured Ships

New Methods to Meet Unusual Conditions

By J. D. MacBride

Stocks and Pillories of Old England

Practical Instruments for Promoting Morality

Measuring the Intensity of Light

The Meaning of Life

The Chemistry of Flavoring Matters—II

The Relationship between the Constitution of a Body and its Taste

By Francois Barral

Electrochemical Behavior of Nickel

Pigment for Printing Inks

America's Food Resources

Differentiation of Natural and Artificial Silks

Stripping Negatives for Storage as Gelatine Films

The Grass Tree Resins of Australia

Packing Goods for Shipment

How One Company Has Solved Important Commercial Problems

By Chas. M. Ripley

Nutritive Value of the Banana

The Parent of Actinium

Internal-Combustion Marine Engines

Two-Cycle and Four-Cycle Types Compared

By Giovanni Chiessa

The Rôle of Forces Dominating Attraction in the Architecture of the Earth and of the Universe

The Work of Railroads in War

Modern Welding by Electricity

Principles, Advantages and Recent Developments

A New Method of Repairing Ships

The Fluorescence of Cellulose and its Derivatives

To make Liquid Indigo

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    March 01, 1919

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