Volume 75, Issue 1953supp
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Features
Evolution from the Standpoint of Physics—II
The Principle of the Persistence of Stable Forms
The Treatment of Bacteriological Infections by Chemical Means
Test-Tube Experiments Often Misleading
The Lubrication of Machinery
Forced Feed Should be used Wherever Possible
Water Sterilization by Ultra-Violet Light
There is Nothing New under the Sun: An Imitation of Nature's Process By the Paris Correspondent of the Scientific American
Economy of a Works Hospital System
The Bacteriology of Cheddar Cheese
The Rational Basis of a Fermentation Industry
Radiations Old and New—II
Corpuscular and other Rays and their Relation to Molecular Physics
International Engineering Congress, 1915
Fireproof Construction
Testing Materials for their Power of Resisting Extreme Temperatures
Accident Prevention in Construction Work
A Somewhat Neglected Field in the Movement for Industrial Safety
Chemical Treatment of Waste Wood
Recovering Values from Low-grade Material
Block Signaling and Train Control Report
Safety in Railway Travel