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Rescue of the Fiala-Ziegler Expedition

Railroad and other Accidents in the United States

Failure of the Isham Shell

Electric Locomotives for the New York Central

Bids for the Manhattan Bridge

Bombs for Hail in Switzerland

Inventions of Ancient Rome: Some Forerunners of Modern Ingenuity

By Alex. Del Mar

Hydraulic Mining with Centrifugal Pumps

By Enos Brown

The Statue of the Sumerian King David

By Edgar James Banks

A Hand-Pressure Riveting Machine

By Alfred Gradenwitz

Aerial Tramways in the Tug River Coal Fields

By Henry Mace Payne

The Rexer Automatic Machine-Gun

Measuring the Mechanical Equivalent of Heat

By the English Correspondent of the Scientific American

The Building of a Railway Car

By Day Allen Willey

An Apparatus for Measuring the Earth's Speed of Rotation

By Our Berlin Correspondent

A Unique Collection of Rare Birds

By Harry Dillon Jones

An Improved Waiter's Tray

Patent Department

New Rotary Valve for Steam Engines

Drying Apparatus


  • Departments

    Correspondence - August 19, 1905

  • Recently Patented Inventions - August 19, 1905

  • Notes and Queries - August 19, 1905

  • Business and Personal Wants

  • Index of Inventions - August 19, 1905

  • Patents - August 19, 1905

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August 19, 1905