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Modern Views of the Sun—I

An Important Star Whose Real Nature Is Only Beginning to Be Understood

By J. S. Plaskett

Nitrogen: Its Virtues and its Vices

Radiations from Exploding Atoms

Phenomena Which Spontaneously Arise in the Breaking Up of Radioactive Atoms

By Ernest Rutherford

Standard Figures for Measuring Instruments

Comets

The Evolution of Malleable Iron

Early Practice and the Lesson from Scientific Investigation and the Microscope

By J. P. Pero and J. C. Nulsen

Isotopy

Treating Stomach Trouble by Electro-Magnet

Saving Daylight

The Zoological Garden of Cincinnati

A Model Institution, Both in its Collections and Management

By R. W. Shufeldt

The Corrosion of a Solid Solution 70/30 Brass

By William E. Gibbs

Hydrogenated Oils in the Soap Industry

By Carleton Ellis

Power Installations in the United States

A New Electrolytic Interrupter

A Simple and Valuable Apparatus for the Wireless Experimenter

By C. A. Oldroyd

History of the Collar

Photographing Colors

Indian Hand-Painted Calicoes

Their History, the Complicated Methods of Production, and Influence on Modern Methods

By George Percival Baker

Increasing the Yield of Toluol

A Possible Substitute for Jute

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    July 22, 1916

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