For Sale: 2015 Catalina 355
The 2015 Catalina 355 is a newer version of the 2011 model that was named Domestic Boat of the Year by Cruising World for the ship’s design cons...
How Does a Fish Finder Work?
Did you know Leonardo da Vinci invented SONAR? How about the sad fact that the first patent for active sonar was registered a month after the Titanic disaster? Try to imagine an early transducer that ...