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Attuned Wireless Telegraphy

Perils of Submarine Navigation

Fastest Authentic Railroad Run on Record

The Gathmann Gun Again

Fessenden's Electric Wave-Detector

The Naval Appropriation Bill

The Recent Automobile Endurance Test

American and British Locomotives in Egypt

Science Notes

The New Japanese Battleship "Mikasa"

New System of Street Cleaning

The Testing of Highspeed Engines

Experiments of M. Curie


A New Means of Using Compressed Air in the Manufacture of Glassware

London Smoke Deposits

Novel Uses for the Trolley Current

By Day Allen Willey

A New Stereopticon Light

Tameness of Wild Animals

By Charles F. Holder

Business and Personal Wants


  • Departments

    Correspondence - May 10, 1902

  • Index of Inventions - May 10, 1902

  • Recently Patented Inventions - May 10, 1902

  • Notes and Queries - May 10, 1902

  • Patents - May 10, 1902

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