The Economics of the Moving Platform

The International Railway Congress

The Strength of Timber Treated with Preservatives

A Visit to the Interior of the Crater of Mont Pele and a Partial Ascent of the New "Dome"

A New Type of Cow-Milking Machine

Completing the Jerome Park Reservoir

The Auxetophone for Reinforcing Gramophone Sounds

BY THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AMERICAN.

Moving Platform Subway for New York City

The Making of a Gobelin Tapestry

The Viagraph: An Instrument for Measuring Road Wear

A Novel Five-Wheeled Automobile

Bee Culture for Medicinal Purposes

A Petrified Forest Covering Thousands of Acres

Business and Personal Wants