ප්‍රදීපාගාර

ප්‍රදීපාගාර () යනු නාවික ගමනාගමනයට ආධාර කිරීමට නිර්මාණය කර ඇති ව්‍යුහයක් වෙයි.

 අමතර අවධානයට 
Crib lighthouse
Day beacon
Foghorn
Fresnel lens sizes (orders)
Lens lantern
Lighthouse keeper
Lists of lighthouses
Lists of lightvessels
Pharology
Pintsch gas
Sea mark

 මූලාශ්‍ර 
සටහන්

 භාහිර සබැඳි 

United States Lighthouses
"Lighthouses Of Strange Designs, December 1930, Popular Science
 Research tool with details of over 14,700 lighthouses and navigation lights around the world with photos and links.
Pharology Website: Pharology: The Study of Lighthouses . Reference source for the history and development of lighthouses of the world.
 Includes 54 diagrams and photographs.


Category:Heraldic charges
Category:Articles containing video clips
Category:Ancient Greek technology
Category:Egyptian inventions
Category:Greek inventions
Category:Maritime safety