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The Old and the New

Wind Pressure on Bridges and Buildings

The Proposed Railroad to Key West

A Patent Dedicated to the Public

Gas Engines for Factory Power

By G. Meynell

The Current Supplement

Transformer Outfits for Thawing Pipes

A New Type of Lifeboat

An Ambulance Automobile

Electrical Radiators

By Emile Guarini

Electrical Equipment of the New York Central Railroad

The United States Naval Training School at Newport

By Walter L. Beasley

The Origin and Form of Hoarfrost

What We Know about Sun Spots

Another Form of Looping the Loop

A Novel Magazine Tack Hammer

Patent Department

An Improved Amalgamator

A New Type of Grate

Business and Personal Wants


  • Departments

    Correspondence - February 18, 1905

  • Recently Patented Inventions - February 18, 1905

  • Notes and Queries - February 18, 1905

  • New Books, Etc. - February 18, 1905

  • Index of Inventions - February 18, 1905

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