Features
Return of the Wright Brothers
A Long-Delayed Tribute
Our Stupendous Railway System
Electricity
Engineering
Science
A New Color-Photography Process
"Description of a New Camera for Taking and Projecting Photographs in Natural Colors"
Cork-Lined Fabric--A Textile Novelty
By The Paris Correspondent of the Scientific American
The Most Powerful Locomotives Ever Built
The Lunar and Solar Eclipses in June, 1909
The Palace of Mirages
The New German Photography
The Excavations at Delphi
Some Striking Discoveries Made
Goblets of Ice
Holder for Grinders
A Tantalum Detector
Tools for the Workshop--II
Handy Man's Workshop
A Simple Method of Constructing a Handle
Pencil Sharpener
Thread Cutting without a Die
Method of Patching a Boiler
Putting on a New Clutch Leather
Blue-Print Washer
Coppering Flowers without Wax
Departments
- Departments
Correspondence - May 15, 1909
Recently Patented Inventions - May 15, 1909
Notes and Queries - May 15, 1909
New Books, Etc. - May 15, 1909
Patents - May 15, 1909
Index of Inventions - May 15, 1909