The Conductivity of Metals
A New Theory of the Passage of Electricity Through Metals
Volume 80, Issue 2068supp
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Features
Extinguishing Fire with Kerosene
Pontoon Bridges and Rafts
How an Army Moves Itself Across Rivers
The Lignite of North Dakota
The U. S. Battleships in the Panama Canal
Cooling Water and Air for Power Plants
Measurements with the Micropyrometer
An Excursus on Geological Time
A Review of Various Methods of Estimating the Age of the Earth
Rank of Coal-Producing States
Electrolytically Produced Hypochlorites
The Government uses Motion Pictures
The Therapeutic uses of Preparations of the Ductless Glands—I
Notes on Experimental Investigations of Undoubted Future Value
Foreign Sources of Artificial Dyestuffs
Hospital Efficiency
Hydraulic Turbines
Wheels and Pumps at the Panama-Pacific Exposition
Evolution of the Modern Dry Plate
Its History, Chemistry and Manufacture