
Latest of Our Great Bridges
An Old Two-track, Timber Bridge Replaced By a Steel, Four-track Bridge 7,411 Feet Long

Latest of Our Great Bridges
An Old Two-track, Timber Bridge Replaced By a Steel, Four-track Bridge 7,411 Feet Long

The Welland Ship Canal
Progress on a 25-foot Waterway With 30-foot Locks that Will Open the Great Lakes to the Ocean

Annapolis
The Famous College Where Our Future Admirals Receive Their First Training

Uncle Sam, Spendthrift--II
Shall the "Wildcatter" Wreck Our Oil Resources as the Lumberman Has Wrecked Our Forests?

Horsepower from the Tides
Proposal to Develop Half a Million Horsepower at the Bay of Fundy

Uncle Sam, Spendthrift—I
The Magnificent Forests Which Once Covered the Greater Part of the United States Have Largely Been Swept Out of Existence

Heroism on the High Seas
An Epic of the Daring, Skill, and Self-sacrifice of American Sailormen

Running a River Through a Mountain
Gilboa Dam and Shandaken Tunnel the Crowning Achievement in the Water Supply of New York City

The Tragedy of the "Shenandoah"
The Wrecking of This Superb and Well-tried Ship by a Furious Thunderstorm

Wind, Sail and Sea
Growing Popularity of Yachting in the Smaller Types of Boat

Some Naval Theories Exploded
A Reply to the Criticisms of Captain Dudley W. Knox, U.S.N. (Ret.)

The Delaware River Bridge
Connecting Philadelphia and Camden by the World's Longest Suspension Bridge

The Passing of "Old Ironsides"
A Call to the American People to Save Their Most Famous Ship

The Low-Resistance Airplane
The Technical Essentials of Commercially Profitable Aviation

The Oxford and Cambridge Boat Race
Some of the Scientific Refinements in the Oxford Shell

Last Word on the 5-5-3 Ratio
House Naval Committee Decides that Our Battleship Fleet Is Up to Standard

Saving St. Paul's Cathedral
Failures of Medieval Cathedrals Foreshadowed the Present Trouble at St. Paul's

New Concrete Pier at Bremerton Navy Yard
Economy of Combined Precast and Poured Concrete

The Mooring Mast is the Thing

The World's Largest Vehicular Tunnel
Construction and Method of Ventilation of the Hudson River Tunnel

Curbing the Mississippi
Levee Construction the Only Practicable Method for Restraining the Flooded River

Scrapping the Battleships
Torch Replaces Cold Chisel in Converting a Fleet to Junk

From Trireme to Dreadnought
The Development of the Warship from Ancient to Modern Times

Naval Strength of United States, Great Britain and Japan
How Age of Ships Will Affect Relative Fighting Efficiency by 1924