Scientific American Magazine
Volume 97, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
The Steel Rail Problem
Electric Power Plants are Responsible
Navy to Build “Octopus” Type of Submarine
Contract Awarded for Two Dreadnoughts
Board of Underwriters on Cement Construction
Gasoline Motor Cars Adopted for Branch Line Service on the Union Pacific Railroad
The Grand Prix International Automobile Race
A Traction Wheel with Sinusoidal Tread
Sand Painting
The Riddle of Mars
How Linoleums and Oilcloths are Made
Captive Balloons in the German Army and Navy
Some Interesting Tricks
An Improved Button Latch
Patent Department
The Plug Puzzle
Railway Track Construction
Apparatus for Sustaining and Directing Balloons
Departments
Correspondence - July 13, 1907
Recently Patented Inventions - July 13, 1907
Notes and Queries - July 13, 1907
New Books, Etc. - July 13, 1907
Index of Inventions - July 13, 1907
Patents - July 13, 1907
