World Wide Changes of Temperature
Can Seasonal Forecasts be made from a Study of the Weather of the World?
Volume 83, Issue 2152supp
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Features
French Legislation upon Hydraulic Plants
Harnessing a Volcano to a 15,000-Horse-Power Electric-Power House
The Cohune Palm
A Central American Tree, the Nuts of which Produce a Valuable Oil
Indoor Telephotography
A Novel use of Okra
Origin and Culture of the Navel Orange
The Laundries of the Ancients
Lag in U. S. Naval Radio Time Signals
Importance of the Relation of Solid Surfaces and Liquid Films in some Types of Engineering Construction
Hard Rubber Sponge
The Hippocampus
Passive State of Metals
German Aeroplanes in the War
New Work for Women Created by the War
The Training of the Analyst
Measure of Atmospheric Pressure
The Influence of some Elements on the Mechanical Properties of Steel
A New Horned Snake
The Contamination of Running Water with Tubercle Bacilli
Boiler Efficiency
Transfer of Heat to the Plates
Geared Turbines
The Value of High-Level Meteorological Data—I
In Forecasting Changes of Temperature
Modifications in the Dilatability of “Invar” Produced by Mechanical and Thermal Treatment
Weighing Apparatus in Industrial Plants
Suggestions for the Selection and Maintenance