The Chances of Death and the Ministry of Health
Some Lessons Taught by Vital Statistics
Features
The Preservation of Wood—I
A Synopsis of the Principal Processes in Use To-day
The Electrical Conductivity of Copper
Tires
A Long Rope Railway
A New Wright Aeroboat
A Marine Aeroplane of the Pontoon Type
An Early Slide Rule
A World's Fair of Books
The International Exposition of Book Trade and the Graphic Arts at Leipzig, Germany
Light Alloys for Automobile Parts
Some Characteristics of Antivivisection Literature
Who are the Authors Quoted as Authorities by Antivivisectionists ?
Controlling Ships' Engines Directly from the Bridge
Mechanism Which Places the Control into the Captain's Hand
The Limit of Fatigue
Transatlantic Flight
A Discussion of Possible Routes
