Tubes Versus Shallow-Tunnel Railroads

By Our English Correspondent

The House Naval Bill

Seismic Disturbances and the Isthmian Canal

A Scientific Witness of Pelee's Eruption

Sensible View of the Steamship Combine

Some Active and Extinct Volcanoes

Valuable Minerals

Tractor-Barges on the Nivernais Canal

Setting the Heavy Granite Columns on the Hall of Records

The Severo Airship Catastrophe

By Our Paris Correspondent

Building of American Locomotives--I

Folding Ice-Box

Vent-Closing Valve for Pumps

Hose Made Entirely of Metal

Curious Bridge at Zanesville, Ohio

Self-Dumping Cars in Railroad Construction

Earthquake Recorders in America

The Utilization of Pampas Grass

New Form of Lippmann Electrometer

An Ancient Iroquois Rite

An Antique Bronze Head of the Roman Emperor Tiberius

Business and Personal Wants