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That "Baby" Submarine, Approaching Advent of Commercial Wireless Telephony and more

"Repairing the Gulflight"

Damage done by the Torpedo and How it was Repaired

Long Distance Wireless Telephony

Distances achieved in Recent Tests before Government Officials a Revelation

Strategic Moves of the War, September 28th, 1915

By Matthew E. Hanna

Tyrannosaurus, a Cretaceous Carnivorous Dinosaur

The Largest Flesh-Eater that ever Lived

By Barnum Brown

Not Merely Mining but Bridge Building

The Importance of Diagonal Bracing in Subway Timbering

Boat Design that Eliminates Bow Waves and Wake, Three-Wheeled Automobile of – Unusual Design

By Carl Hering

The Naval Advisory Board of Inventions —II

A Brief Biographical Summary of its Membership

Evaporation in the United States


  • Letters

    Correspondence - October 9, 1915

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