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**Qiaozhi** · 02-11-2007, 06:04 PM

Originally posted by Esteban View Post

auctions.yahoo.com/i:Vintage%20METROTECH%2022...

When you see this, it doesn't look like we've improved much on depth over the years.

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**Esteban** · 02-11-2007, 06:44 PM

I'm surprised why only transistorized simple MD works good.

**Qiaozhi** · 02-11-2007, 08:18 PM

Originally posted by Esteban View Post

I'm surprised why only transistorized simple MD works good.

The chart is not to scale. If it is, then the guy using the detector is only 30" tall.

Metrotech 220 A