Unscientific Food Tests
The Fallacy of Testing Food Materials by Animal Inoculation
Volume 74, Issue 1924supp
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Features
Food Preservatives, and the Sodium Benzoate Question
Solar and Lunar Halos
A Description of Principal Varieties Known to Science
Approaching the Limit of Increasing Gold Production
Is Our Standard of Currency Nearing Equilibrium?
Does Baking Sterilize Bread?, Weight of Trains
The Economics of Water Power
Fixed Charges on Hydraulic Plants Often Forbidding
The Effect of the Automobile on Railway Traffic
Selected Types of Modern Machinery
The International Exhibition of Engineering and Machinery at Olympia, London
A Rampart of Nations
How the Alps Rose from the Sea
The Physical Testing of Rock for Road Building—II
The Methods Used and the Results Obtained
Cosmical Problems
Their Influence on the Development of Spectrum Analysis