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Microcap & Penny Stocks : Microphonics Inc. (mrps) -- Ignore unavailable to you. Want to Upgrade?


To: arno who wrote (6284)4/24/1999 9:14:00 AM
From: Jon Scott  Read Replies (1) | Respond to of 8189
 
That's a different test. That's the one that is quite common. Not necessarily MRPS as I don't even think they're involved with metallurgy.
In that test, they measure thickness by sending an ultrasonic signal through the metal.