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Steel Manufacturers and the Chain Bridge

What's in a "Name"?

A Timely Warning

New Water Supply Legislation

The Duration of Lightning Flashes

The Impending Exhaustion of the World's Iron Supply

The Efficiency of the Gas Engine

Electric Power Developments at Niagara Falls.--III

110,000 Horse-Power Plant of the Canadian Niagara Power Company

Mounting the 12-Inch Guns of the "Connecticut"

The New Water Supply for New York City

The Diamond Shoals Lighthouse

Some Recent Foreign Flying Machines

A New French Compound Locomotive

By Frank C. Perkins

How Shingles are Made

By Day Allen Willey

Air Box for Stoves

Apparatus for Marking Sunken Vessels

Oddities in Inventions

Business and Personal Wants - March 24, 1906


  • Departments

    Correspondence - March 24, 1906

  • Notes and Queries - March 24, 1906

  • Recently Patented Inventions - March 24, 1906

  • New Books, Etc. - March 24, 1906

  • Index of Inventions - March 24, 1906

  • Patents - March 24, 1906

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