Features
Cross-Country Aeroplane Races in Europe
Further Particulars Regarding Recent Record-Breaking Flights
One Hundred and Forty-four Postal Cards per Second
A New Machine for the Public Printer
Table of American Aeronautic Motors
Complete Specifications of the Motors of Thirty-four Manufacturers
Campaniles, Medieval and Modern
The Bankers' Trust Building-Successful Solution of a Difficult Architectural Problem
The New White Star Liner "Olympic"
A Ship 882 Feet Long, That Weighs When Fully Loaded 66,000 Tons
Curiosities of Science and Invention - July 1, 1911
Automobile Bridges in California
The Inventor's Department - July 1, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting
How I Invented the Air Brake--III
Lithopone and its Manufacture, Aviation Sickness and more
Departments
- Recommended
New Books, Etc. - July 1, 1911
- Departments
The Heavens in July 1911
Recently Patented Inventions - July 1, 1911
Notes and Queries - July 1, 1911