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Dive (b)Log

TBT August 13th 2015

Posted on 13 August, 2015 at 14:35

As I was thumbing through the July 1969 issue of Skin diver, I came across an ad for underwater communications via a megaphone type device. As Scuba Divers, we know that when we hear sound underwater, it's very difficult to ascertain what direction it's actually coming from so I found it interesting that such a device would give one the ability to talk underwater. I wasn't sure I wanted to use this ad for this weeks TBT but a few pages later into the same issue and I came across an article where they actually put this device to the test. Below is the original ad and then the two page article. Have a read.


Categories: Throwback Thursdays, scuba gear

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