The Agricultural College of the Ohio State University

Stonehenge Offered to the English Government

The Alaska Investment

A Simple and Economical High-Voltage Battery

The Earth as a Condenser and its Role in Wireless Telegraphy

The Ossant Muffler for Gasoline Engines

The Durey-Sohy Street Sprinkler

Functions of Technical Science in Education for Business and the Professions

Anglo-Saxon Medicine

A Balloon Trip over the Alps

A Handsome Tapestry

A New Type of Gasoline-Electric Automobiles with Hub Motors

By the Paris Correspondent of the Scientific American

Nickel Steel: Its Properties and Applications

The Heavens and the Stars

Cæsar's Shorthand Writers in the Roman Senate

The Destruction of Termites

Tusks that Sell for Thousands

Electrical Notes

The use of Rotating Cathodes in the Electrolytic Determination of Metals

Trade Notes and Recipes

Trade Suggestions from United States Consuls

Selected Formulæ