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The Great Statue of Liberty

The Proposed Cotton Centennial

Invention as a Means of Education

A Possible Field for Railway Enterprise

The Transit of Venus as Seen at the Seagrave Observatory

Tempering Steel

Ice Making and Refrigeration.--The Pictet Process

Novel Road Vehicle

Oberstadt's Melting Furnace with Drying Chamber

The First Electric Boat

Improved Saw Mill

Improvement in Watch Hands

The Great Harlequin Beetle of Cayenne

Care of Offspring in Animals

By C. F. Holder

Mechanical Inventions

Engineering Inventions

Agricultural Inventions

Miscellaneous Inventions

Communications Received


  • Departments

    Recent Inventions

  • Index of Inventions

  • Notes and Queries

  • Business and Personal

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December 16, 1882

Confronting Common Wisdom