What is a Disease—II
An Attempt to Formulate Definitions of the Fundamental Concepts of Medicine
Features
How Eclipses Occur—I
And the Solar and Lunar Eclipses in 1917-18
Directing an Attack
Potatoes as Food
New Evidence in regard to the Instability of the Human Types
Stone and Concrete Road Foundations
From the Standpoint of Efficiency and Economy
Sound-Areas of Great Explosions
Man and the Universe
His True Perspective as through a Telescope Reversed
Benzol Recovery and Rectification
Development and Toning of Motion Picture Films
War-Time Inventions in England
Gravity
An Account of Observations made in Canada
Workshop Methods of Optical Testing
The Care of Ancient Monuments
The Metric System
The Importance of a Universal Standard in International Commerce
