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Train Brake Results of High Speed

Transportation of Trains on Lake Baikal

Waterways and Canals of Canada

Liquid Air as A Blasting Agent

Chicago Drainage Canal Complications

Thorium Compounds

Some Figures of the First Cost and Operation of Southern Cotton Mills

A New Igniter for Explosion-Engines

A Tool for Driving Screw-Eyes

Automatic Frost Valve for Water-Pipes

The Launch of "Shamrock II"

Construction of the Yacht "Constitution"

How to Make an Iron Rose

By Parker Simonson

A Disappearing Town

A Cliff-Dwelling Park in Colorado

By Cosmos Mindeleff

The Bean Weevils

By S Frank Aaron

Business and personal Wants


  • Departments

    Science Notes - May 11, 1901

  • Correspondence - May 11, 1901

  • Recently Patented Inventions - May 11, 1901

  • Notes and Queries - May 11, 1901

  • Index of Inventions - May 11, 1901

  • New Books, Etc. - May 11, 1901

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