Scientific American Magazine
Volume 92, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
Complete the Coast Defenses
Two Great Ocean Contests
The International Railway Congress
The Recent Railroad Horror
An Electric Process for Manufacturing Peat
Artificial Cotton
An Astronomical Clock with an Automatic Adjustment of Time and Church Calendar
Concrete Foundations of the New Passenger Station, Washington, D. C
The Great 3,000-Mile Yacht Race
The Modern High-Speed Locomotive
The Montgomery Aeroplane
Destroying a Russian Mine
Comparative Tests of Steam and Electric Locomotives
Apparatus for Testing Flashing Points of Oils
Patent and Department
An Improved Fire Extinguisher
An Improved Viscosimeter
Business and Personal Wants - May 20, 1905
Departments
Correspondence - May 20, 1905
Recently Patented Inventions
Notes and Queries - May 20, 1905
New Books, Etc. - May 20, 1905
Index of Inventions - May 20, 1905
