Modern Views of the Sun—I
An Important Star Whose Real Nature Is Only Beginning to Be Understood
Features
Nitrogen: Its Virtues and its Vices
Radiations from Exploding Atoms
Phenomena Which Spontaneously Arise in the Breaking Up of Radioactive Atoms
Comets
Standard Figures for Measuring Instruments
The Evolution of Malleable Iron
Early Practice and the Lesson from Scientific Investigation and the Microscope
Treating Stomach Trouble by Electro-Magnet
Isotopy
Saving Daylight
The Zoological Garden of Cincinnati
A Model Institution, Both in its Collections and Management
The Corrosion of a Solid Solution 70/30 Brass
Hydrogenated Oils in the Soap Industry
Power Installations in the United States
A New Electrolytic Interrupter
A Simple and Valuable Apparatus for the Wireless Experimenter
Photographing Colors
History of the Collar
Indian Hand-Painted Calicoes
Their History, the Complicated Methods of Production, and Influence on Modern Methods
