Acoustic Location and Sound Mirrors.

Jan Vigne Platinum Member Username: Jan_b_vigne Dallas, TX Post Number: 15891 Registered: May-04	Posted on Wednesday, February 09, 2011 - 17:34 GMT . http://www.douglas-self.com/MUSEUM/COMMS/ear/ear.htm
Chris H Gold Member Username: Hawkbilly Nova Scotia Canada Post Number: 1231 Registered: Jul-07	Posted on Thursday, February 10, 2011 - 11:09 GMT Wow. I gotta get me one of those maritime acoustic locator hats. I can't believe they didn't catch on.