Turbine Troubles

Modern Preservation of Railroad Ties

Eye Sight Test for Railroad Men

Robert Whitehead and the Torpedo

Frederic H. Betts

Fun with the Phonograph

A New Type of Ore-Unloading Bucket

An Automatic Cartridge-Counter for Magazine Rifles

A Storage-Battery Locomotive

By The English Correspondent Of The Scientific American

A New Megaphone

The Orinoco--A Wasted Waterway

Extraordinary Effect of Water Erosion Caused by the Assouan Dam

By the English Correspondent of the Scientific American

The Felling of the Concrete Column at Niagara

Machine for Molding Plastic Materials

Quartz Mill for Dry-Grinding of Ore

An Improved Bottle Closure

Patent Department

Business and Personal Wants