The Government Building and Post Office Exhibit at the World's Fair, St. Louis
By the St. Louis Correspondent. of the Scientific American
Features
The Varnish-Dipping Process and Dipping Varnishes
An Automatic Lamp Lighting and Extinguishing Device
Electrochemical Industries
Locomotives using Superheated Steam in Germany
Substances Liable to Decomposition by Light
The Wireless Telephone Station at the Louisiana Purchase Exposition
By the St. Louis Correspondent of the Scientific American
A Short History of Coal Mining in the United States
Lifting a 7,500-Ton Building
A New System for the Protection of Trains by Engine-Cab Signals
Mail-Carrying Motor Omnibuses in England
The Dead Sea of the New World
Steam Turbine Propulsion for Marine Purposes
The Ziegler Relief Expedition
Shell Heaps of the Lower Fraser River, British Columbia
Introduction
