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A "Queer" Patent Bill

The Official Report of the "Maine" Disaster

Relief for Cuban Famine Sufferers

Naval Appropriation Bill Passed

The Submarine Torpedo Boat

The Welsbach Patent Sustained

The Bill to Increase the Patent Office Force

A Manuscript Holder and Spacer

An Improved Rotary Engine

The Aven Armand, Lozere, France

By Horace C. Hovey

Columbia's Artificial Moon

The Launch of the United States Battleships "Kentucky" and "Kearsarge"

The "New Orleans"

A Simple Mirror Galvanometer

Successful Trials of the Holland Submarine Boat

Report of the Naval Court on the Destruction of the "Maine"

Recent Analysis of Cigarettes

To Inventors - April 9, 1898


  • Recommended

    New Books, Etc. - April 9, 1898

  • Departments

    Business and Personal - April 9, 1898

  • Recently Patented Inventions - April 9, 1898

  • Index of Inventions - April 9, 1898

  • Notes and Queries - April 9, 1898

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