1. Wind under Power
As steam power developed, wind power and windmills became more less and less economic, and as of today we are left with only a small portion of working windmill structures throughout the world. ... Early illustrations provide that most windmills were made up of wooden, and stained glass (http://www.windmillworld.com/windmills/history/britannica.htm, Aug. 19, 2001). ... Another improvement is the windmills mechanism. ... The newly built windmills consisted of 8 blades, rather than 4. Modern windmills today are about 20 feet above the ground. ...
- Word Count: 1024
- Approx Pages: 4
- Has Bibliography
- Grade Level: High School