Modern Ideas on the End of the World
New Contributions to Cosmology Obtained from the Development of Differential Theories
Volume 79, Issue 2046supp
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Features
The Conditions of Industrial Accidents
Gardens of the Zoological Society of London
Its History, Organization, and its Valuable Collections
Efficiency of Coal and Electric Heaters
A New Era in the Science of Nutrition
How Two Masters in the Art of Experimentation are Bringing this About
A Novel Engineering Expedient
Recent Developments in X-Ray Tubes
The Cutlery Works of Thiers
Manufactures of the Old French Town where Knives have been Made for Centuries
Old English Seals
The Reaction of the Planets upon the Sun—I
Influence of the Earth and a Study of Sun Spots
Selenium Cell Making
Gyrostatic Action—II
As Applied to Torpedoes, Submarine Craft and Aeroplanes
Gasoline from “Synthetic” Crude Oil
Some Remarkable Experiments with Oils and Method of Obtaining an Additional Yield of Gasoline