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Humidity and Heating Systems

Big Ships and Deep Waterways

Mishap to the Santos-Dumont Airship

The Proposed History of the Patent Office

Science Notes

Water-Tube vs. Fire-Tube Boilers for Naval use

In the Terminal Station at Buffalo

By Arthur B. Weeks

Relative Speed Indicator

Burning the Sierra Madres

By Charles F. Holder

East Indians in the Island of Trinidad

Railroad Track Nut-Lock

The White Star Liner "Celtic"

The Erection of the Gokteik Bridge

By Day Allen Willey

Self-Propelling Fire Engines

By Waldon Fawcett

Yale's Large Dinosaur

Sir Norman Lockyer on Sun Spots


  • Departments

    Correspondence - August 17, 1901

  • Recently Patented Inventions - August 17, 1901

  • Business and Personal Wants

  • Index of Inventions - August 17, 1901

  • New Books, Etc - August 17, 1901

  • Notes and Queries - August 17, 1901

  • Patents - August 17, 1901

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