SA Supplements Vol 84 Issue 2174supp

SA Supplements

Volume 84, Issue 2174supp

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Features

Mimicry in Animals

A New Theory of Inherited Experimental Knowledge

Hudson Maxim

The use of Titanium in Steel Castings

W. A. Janssen

Solvents of Coal

Metallurgical Processes in the Foundry

Use of Ferromanganese—Ferrosilicon—Chills and Iron Molds

Alexander E. Outerbridge

Platinum in Spain

The Menace of the Rodent

Sources of Fat in Germany in 1916

Psychological Effects of Earthquakes

The Radiation of the Stars

A. S. Eddington

Asphalt

Where It Comes from and Some of Its Characteristics

Petroleum in Assam

The Projection of Light

A Simple Method of Considering the Important Factors

J. A. Orange

A Qualitative Determination of the Reflection Coefficients of some Metals in the Schumann Region

I. C. Gardner

Photographic Color Prints on Silk

A Kinetic Hypothesis to Explain the Function of Electrons in the Chemical Combination of Atoms

William A. Noyes

Peat as Locomotive Fuel

The use of Mean Sea-Level as the Datum for Elevations

An Engineering Problem of National Importance

E. Lester Jones

Meteorology and Aviation

W. H. Dines