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Sperti Faraday vibratory alarm horn

https://www.airraidsirens.net/forums/viewtopic.php?t=11057

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Sperti Faraday vibratory alarm horn

Posted: Sat Jul 16, 2011 7:06 pm
by John in MA
Something I picked up a while back and finally got around to filming:

http://www.youtube.com/watch?v=OZ77cHa9v1k

Posted: Sun Jul 17, 2011 6:15 pm
by bellyjae
i like it!!
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