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The Blaauw Krantz Viaduct in Cape Colony

A Plumbing Test

Torpedo Ships

The Gas Engine

By Dugald Clerk

Rapid Construction of the Canadian Pacific Railway

By E.T. Abbott

The Osgood Excavator

The Osgood Mammoth Excavator

Capstan Navigation on the Volga

Improved Steam Trap

Steamboat Equipment of War Vessels

Critical Methods of Detecting Errors in Plane Surfaces

By John A. Brashear

Photometrical Standards

Bleaching or Dyeing Yarns and Goods in Vacuo

On the Moulding of Porcelain

By Chas. Lauth

A New Actinometer

A Photo Printing Light

Photo-Tricycle Apparatus

Alphabet Designed by Godfrey Sykes

Electricity as a Preventive of Scale in Boilers

Astronomical Photography

Brief Sanitary Matters in Connection with Isolated Country Houses

By E. W. Bowditch

Old Wrought Iron Gate

The Organization and Plan of the United States Geological Survey

By J. W. Powell

Sanitary Cooking

By Virginia L. Oppenheimer

Time Required to Digest Different Foods

The Sunflowers

Lye's Fuchsias


  • Departments

    Patents - April 11, 1885

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