The Problem of the Chemical Origin of Solar Radiation
In View of Facts that Make Physical Explanations Unsatisfactory
Volume 82, Issue 2119supp
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Features
The Process of Wine “Chaptalization”
Commercial Advantages of Tank Tests with Ship Models
A New use for Aeroplanes
Feeding a Beleaguered Army in Mesopotamia
The Carpathians
Strategic Importance and General Character of the Range
The Manufacture of Porcelain
A Cheap Astronomical Clock
Living Artillery
Means of Offense and Defense Which Nature Has Furnished to Animals Insects and Plants
Paper Scarce in England
The Great Canadian Reflector
Hay Fever
Its Cause, Treatment and Prevention
“World's Biggest Ship”
Malt Extract in the Laundry
A Useful Compound that Renders Starch Soluble
Paper for Artistic Printing
Material of Individual Character for Reproducing Engravings and Etchings
An Old Biological Theory Attacked
A New Roentgen Tube
The Efficient use of Gas in the Home
Ore Flotation
A Discussion of the Principles Underlying an Important Process as Yet But Partially Developed