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Sound Mirrors
Posted: Tue Mar 09, 2010 6:01 pm
by sprior
RE: Sound Mirrors
Posted: Tue Mar 09, 2010 7:23 pm
by Nicholas Bell
Familiar with the smaller metal type horns. Never seen these before - thanks!
RE: Sound Mirrors
Posted: Wed Mar 10, 2010 6:25 am
by otisabuser2
Yes, some of these look very unlikely......
RE: Sound Mirrors
Posted: Wed Mar 10, 2010 6:26 am
by otisabuser2
...
RE: Sound Mirrors
Posted: Wed Mar 10, 2010 6:27 am
by otisabuser2
..my favourite
RE: Sound Mirrors
Posted: Wed Mar 10, 2010 8:03 am
by vimconfused
Yeah, I've seen one of these (the one that looks like a big curved wall). Was an idea that wasn't developed given the adoption and increased effectiveness of radar.