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Features

Weather Bureau Warnings

The Disaster to the "Maine."

Report of the Smithsonian Institution

Flames in a Tall Building

Successful Test of Pneumatic Postal Tube

A Convenient Document File

A Head Gate for Irrigating Canals, Etc.

A Ring Set Holding Clamp

An Improved Knife Sharpener

The Loss of the Battleship "Maine."

Insect Grafting

By William H. Hale

The New Experimental Locomotive for Purdue University

The Gun Factory at the United States Washington, D. C, Navy Yard

Electric Towboat in a Sewer

An Improved Copy-Holder

To Inventors - February 26, 1898

Departments

  • Departments

    Recently Patented Inventions - February 26, 1898

  • Business and Personal - February 26, 1898

  • Index of Inventions - February 26, 1898

  • Notes and Queries - February 26, 1898

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February 26, 1898

Complex Causes. Alternative Solutions.