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Southwest Pass Jetties of the Mississippi Completed

Precautions Against Anthracite Mining Accidents

The Last of the Cable Roads

Progress of the Key West Railroad

More Block Signals; Fewer Accidents

Turbines in the United States Navy

Mine Blasting Invention

The Current Supplement

Exposition of Safety Devices

Growing Rubber in Sumatra

The Use of the Lumire System of Color Photography in Medicine

A High-Power European Locomotive

By Charles R. King

The Tunis Monorail System

A Reinforced Concrete Hotel

By Day Allen Willey

Morning and Evening Stars for 1908

By Frederic R. Honey

Magnetic Survey on the Pacific Ocean

By Herbert T. Wade

The Sampson Gas-Electric Road Train

An Improved Draft Regulator and Ventilator

Patent Department

Cutting Tool for use in Making Paper Boxes

Ice Tongs with Weighing Attachment

Safety Clutch for Elevators


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    Recently Patented Inventions

  • Index of Inventions

  • Patents

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