Police Dogs
Canine Detectives
Features
Quantitative Vs. Qualitative Thinking
A Scientific Classification of Smells
The “Typical” Man who does Not Exist
The Composite of a Human Group
Electricity and Light in Modern Medicine
A New Therapeutic Agent
Solar Vortices and Magnetic Fields.—I
Recent Study of the Sun
Exotic Dainties
Scientific Guesswork
The Value of Loose Methods
The New King's Dock at Swansea
The Paris Floods and their Prevention
Heavy Electric Locomotives
Some Modern Developments
Paradoxes of Acceleration
A Suggestion for the Teacher of Mechanics
A New Method of Reversing Turbines
Foettinger's Turbine Propulsion System with Turbo-Transformers
Aeroplane Stability
Some New Theories
