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Test your knowledge about lighthouses...

Take The Quiz
Name  
E-mail  
Describe how a Fresnel lens works:  
What is your favorite lighthouse and why?  
Which of these fuel sources have been used in lighthouses? (Check all that apply)
Sperm whale oil
Hydrogen
Kerosene
Solar Power
 
Who invented the Fresnel lens?





Unique markings are painted on lighthouses to:

(select the most appropriate options - make multiple selections with Ctrl-click on Windows)