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A Plumbing Test

Torpedo Ships

The Blaauw Krantz Viaduct in Cape Colony

The Gas Engine

By Dugald Clerk

Rapid Construction of the Canadian Pacific Railway

By E.T. Abbott

Capstan Navigation on the Volga

The Osgood Mammoth Excavator

The Osgood Excavator

Improved Steam Trap

Steamboat Equipment of War Vessels

Critical Methods of Detecting Errors in Plane Surfaces

By John A. Brashear

Bleaching or Dyeing Yarns and Goods in Vacuo

Photometrical Standards

On the Moulding of Porcelain

By Chas. Lauth

A New Actinometer

Photo-Tricycle Apparatus

A Photo Printing Light

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

Sanitary Cooking

By Virginia L. Oppenheimer

Time Required to Digest Different Foods

The Organization and Plan of the United States Geological Survey

By J. W. Powell

The Sunflowers

Lye's Fuchsias


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April 11, 1885

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