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A Record Torpedo Boat Trial

The Thin End of the Wedge

Naming the New Warships

Echoes of the Windsor Hotel Fire

Liquid Air as a New Source of Power—Another Engineering Fallacy

By Henry Morton

The New Satellite of Saturn

Progress of the Zoological Park

A Boiler of Novel Construction

An Improved Fire-Alarm

A Ship's Boat Supporting and Launching Device

A Cap for Sliding Doors

Military Ballooning

Cardinal Wolsey's Hat

A New Form of Fire-Escape

A Convertible Dusting-Brush

Navies of the World


Some Pacific Cephalopods

By C. F. Holder

To Inventors - April 22, 1899


  • Letters

    Correspondence - April 22, 1899

  • Recommended

    New Books, Etc. - April 22, 1899

  • Departments

    Recently Patented Inventions - April 22, 1899

  • Business and Personal - April 22, 1899

  • Index of Inventions - April 22, 1899

  • Notes and Queries - April 22, 1899

  • Patents - April 22, 1899

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April 22, 1899

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