The Elba Iron Ore Loadinǵ Plant
Industrial Operations on the Historic Island
Features
The Present Status of the Diesel Enǵine in Europe—III
And a Few Reminiscences of the Pioneer Work in America
The Strenǵth of Larǵe Ships
Is Increasing Size Accompanied by Increasing Frailty?
American Aeronautic Motors
Description of a New Rotary Motor and a Six-cylinder Engine with Concentric Valves
Apparatus for Measurinǵ the Velocity of Explosive Reaction
The Effect of Frost on Plants
Actual Freezing of the Tissues Does not Necessarily Occur
The Oriǵin of Radium
Uranium Cannot Be its Immediate Parent
The Pod-Septum of Catalpa
A Criterion for Distinguishing the Hardy Variety
Scientific Problems Solved within the Last Quarter Century
Silk Dyeinǵ
The New Los Anǵeles Water Works
A World's Object Lesson
The Abuses of our Patent System
Where Reform is Needed
Warm Water for Indoor Plants
Four Hundredth Anniversary of Mercator's Birthday
Steam Turbo-Generator Station
With Hot Water Heat Distributing Plant
A Gasoline Enǵine with Auto-Iǵnition
A RemarKable Lightweight Internal Combustion Motor for Automobiles and Aeroplanes
The Influence of Ozone in Ventilation
Its Principal Function Seems to be that of a Deodorizer
