Features
An Electrically-Operated Gas Plant
What the Electric Drive can do in Gas Making
Rebuilding of a Sunken Bridge Abutment with Concrete Steel
Extracting Oil rom Boreholes
A Description of The Leinweber Process.
Testing Direct-Current Dynamos
How to Measure Insulation Resistance and Determine the Characteristics of a Dynamo
Saw Annealing by Electric Arc
The Merits of Liquid Fuel
A General Review for Purposes of Comparison
The Monster Battleship Controversy
Training the Man Behind the Gun
How the Gunner is Taught to Hit the Target
The Movements of Plants.—I
Is Growth the Result of Memory?
Fever in Plants
Science Notes
The Improved Parseval Airship
Germany's Non-Rigid Military Dirigible
A Correction
Gases in upper Air
The Restoration of Parchments
How the Damage Wrought by Fire May Be Repaired
The Problem of the Rotation of Venus
Does the Planet Really Turn?
