Human Biology and War
Man and Animals Conform to Different Laws
Features
Archæology of Mammoth Cave and Vicinity: A Preliminary Report
Saving Potatoes by Dynamite
Surgery for Injured Trees
How Far To Go in Cavity Filling
Analysis of some Sizes and Finishes
Some Effects of the Action of Ultra-Violet Light on Cotton
Removing the Taste Due to Algæ in Drinking Water
Eccentricities of Ocean Drift
Search for Typhoid and Paratyphoid Baccilli in Fæces and Water
Where Italy is Fighting
Initiation of Explosions
The Various Agencies and Methods Employed for Igniting Powders
Reversing Propellers for Diesel Engines
The Recovery of Benzole
Sand Devastation
How the Dunes Advance and how Their Movement is Checked
Chemical Composition versus Electrical Conductivity
Emulsions and Suspensions with Molten Metals
Astronomical Drawings
Practical Suggestions for Recording Observations
A One-Quarter Horse-Power Single-Phase Induction Motor—II
Complete Details and Instructions for Building
A Theory of the Constitution and Mode of Action of Tannin Colloids
The Lost Art of Close-Plating
Precision in Chemical Weighing—I
Notes on the Apparatus to be Employed and Methods of Using It
