Gas Power Development: A Review

The Possibilities of an Important Prime Mover

Guns in Mine-laying Vessels

The Gas Turbine

A Consideration of Proposed Types

Production of Low Temperature and Refrigeration—I

The First International Congress of Refrigeration Industries

Modern Deluge Sets for Fire Extinguishing Service

Heavy Streams and How they are Handled

A Remarkable High Power Electric Locomotive

A lOOO-Horsepower Plant on Wheels

The American Navy

Its Material and its Personnel

The Products of the Soap-nut Tree

Making Money Out of Bees—I

Keeping Bees for Pleasure and Profit

Physical Anomalies of Water, Destruction of Concrete by Hydrogen Sulphide, and more

Index of Inventions

patents

How Sea Water Freezes

State Report on Oil and Gas Development in Tennessee