Sir Oliver Lodge's Address, Taming the Chagres River and more

The Steel Car as a Life Saver

Telescoping is Prevented by All-Steel Construction

The First Diesel Locomotive

By the Berlin Correspondent of the SCIENTIFIC AMERICAN

Sawing a Bridge with a Wire

An Old Idea Revived and Improved

The Centenary of a Famous Locomotive, Building Foundations in Japan and more

Fighting the Plague with Soap and Petroleum