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Features

Impurities in Gun Metal

A Meat Substitute in Germany

A New Photographic Mordant Dye Process

By Frederic E. Ives

Steel for Reconstruction

Prune Cultivation in France

Rubber-Seed Oil

The Rat Pest

The Pharmacology of Alcohol

A Powerful Drug the Action of Which has not Been fully Determined

By Robert B. Wild

New Stellar Photometer

The Story of a Grass

The Macoa Indians of Venezuela—II

Expedition Among a Little Known but Ancient Race

By Theodoor De Booy

Industrial Application of the Coloring Matter of the Glumes of the Sweet Sorghum

The Theory of Fertilizers

Sewage Disposal by Dilution

Asphodel as a Source of Alcohol

The German Dye industry

Curious Projectiles

Specimens of German and Austrian Ingenuity

Vulcanization without Sulphur by Ostromyslenski's Method

New Process of Spraying Metal

Aeroplane Accidents

Their Medical Aspect and Their Various Causes

By H. Graeme Anderson

The Principles of Diffusion and their Analogues

Cadmium in Brass

A Platinum Substitute

Departments

  • Molecular orientations in Physics and in Crystallography—I

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January 11, 1919

Beyond XX and XY

Biology. Identity. Equality.