#4136
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Good idea, I think I’ll check out the Historical Diving Society. The underwater talking device instructions is something I’ve never heard of before. Sounds like a unique thought that may not have gone anywhere. Thanks for the idea.
From seawolfdiving:
You might want to contact the Historical Diving Society. They are at http://www.hds.org/ .
You may find someone there who has an interest in these items...
Good luck
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