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Machine for Excavating the Channel Tunnel

Apparatus for Coaling Ships

Progress of Music in Japan

Torsion Tests of Cast Steel

Projects for Increasing the Water Supply of New York City

Shall Failure to Develop Forfeit Patent Rights?

The Zebra Wolf

By G. A. Stockwell

Improved Thill Coupling

New Key Fastener

Improved Seed Sower

Lantern Illumination

By Geo. M. Hopkins

New Bag and Twine Holder

The Æeolian Harp

Engineering Inventions

Mechanical Inventions

Miscellaneous Inventions


  • Departments


  • Recent Invention

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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