Stoking the Locomotive by Machine

A Large American-built Mallet-type Locomotive for South Africa

The Manufacture of Hydrogen Gas for Spherical Balloons

Portable Plants for Military Use

Some Notes on the Armstrong Works

A Pioneer in the Development of Modern Ships, Guns, and Armor

Is the Panama Canal Liable to Damage by Earthquakes?

Baalbek the Mysterious

In many Respects the most Famous Ruins of Bible Lands

An Apparatus for Automatic Transmission and Reception of Wireless Messages, A New American Flying Boat

Catalepsy in Insects

Experiments Showing how Insects Pass Periodically into a Trance