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Hi Jens. I can see how this device could be an easy to read, simple,
reliable gage at shallow depths. The first atmosphere or two will make a big
difference in the graduations. Plexi tubes with thick walls can be purchased
easily, and the other parts can be made from off-the-shelf stuff. For those guys
who have lathes, an elegant gage should be do-able in a weekend. Frank
D.
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