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How was the Unebi'kan Lost?

Work on the Panama Canal Likely to Stop

Infection from Dairy Products

An Improved Adjustable Trammel

A Mowing Machine Attachment

An Improved Boiler for Steam Heaters

A Quick Steam Making Boiler for Fire Engines

Device for Operating Sewing Machines by Hand

An Improved Egg Carrier

A Recording Compass and Marine Indicator

An Improved Filter

A Roller Toboggan Slide

An Improved Folding Ironing Table

Our New Navy

Beetling Machine

Science in Toys XIII.

Charles Frederick Chandler

By Marcus Benjamin

The Racquet Tailed Kingfisher

Agricultural Inventions - July 16, 1887

Mechanical Inventions - July 16, 1887

Special - July 16, 1887

Miscellaneous Inventions - July 16, 1887

Engineering Invention - July 16, 1887

To Inventors - July 16, 1887


  • Letters

    Correspondence - July 16, 1887

  • Recommended

    New Books and Publications - July 16, 1887

  • Departments

    Business and Personal - July 16, 1887

  • Notes and Queries - July 16, 1887

  • Index of Inventions - July 16, 1887

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”