The Structure of the Earth—I
And Some of the Forces that have Shaped its Surface
Features
Handling Concrete in Building Operations
Apparatus Designed for Rapid and Economical Operation
Modern Concrete Sewers and other Structures
Made Possible by the Use of Steel Reinforcement
Pasteurized Milk
Ocean Temperatures in the Vicinity of Icebergs
Investigations Made for Promoting Safety at Sea
Gathering Food for Bees
Gelatine as a Food for the People
American Built Locomotives, Abroad
Many Styles Necessary to Meet Foreign Requirements
Currency in China
Unnoticed Pollution of the Air
The Importance of Geographical Research—II
And a Plea for More Accurate Methods
Finishing Wood Surfaces
A Simple Dressing for Wounds
The Calorimeter as the Interpreter of the Life Processes
A Study of the Fuel Requirments of the Humane Individual
Extinguishing Burning Liquids
The Development of Military small Arms
A Brief Review of the History of Portable Fire Arms
Simple Sodium Lamp for Polariscope
Concussion Blindness
One of the Typical Developments of the War
