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Features

Negotiable Paper for Patent Rights

The Command of the Sea

Rather Small Business for the Government

Electric Mail Delivery

Shall Artists Copyright their Work?

Our Special Navy Supplement

A Commodious Gasoline Yacht

Acetylene Gas Generator

A Simple, Safe and Inexpensive Apparatus that May be Constructed at Home

A Light and Strong Spar for Vessels

An Improved Woodworking Tool

A Bicycle Package Carrier

An Improved Plow

Our New Cruiser "Topeka"

The Range-Finder for Determining the Distance of a Hostile Ship or Fort

Recent Experiments on the Flow of Rocks Carried out at McGill University

The Art of Tattooing

The '98 Solar Acetylene Gas Bicycle Lamp

Liquid Air

By W. C. Peckham

Departments

  • Letters

    Correspondence - April 23, 1898

  • Recommended

    New Books, Etc - April 23, 1898

  • Departments

    Business and Personal - April 23, 1898

  • Recently Patented Inventions - April 23, 1898

  • Notes and Queries - April 23, 1898

  • Index of Inventions - April 23, 1898

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April 23, 1898

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