Volume 110, Issue 5
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Features
One-man Control of the Panama Canal, The Safety of Submarines, and more
The Licorice Trade of Syria
The Curious Story of a Plant that is a Useless Weed in its Own Country and a Valuable Herb Abroad
Foolproofing the Motor Truck
Eliminating the Personal Element in the Operation of the Commercial Vehicle
The Problem of the Second-hand Motor Truck
How Used Machines Are Thoroughly Overhauled and Reconstructed In the Builders' Local Service Stations
A Radium Motor
The Possibilities of Radium as a Motive Power of the Future
The Most Modern Shipbuilding Plant in the World
Where the Two Largest Steamships in the World Are Under Construction