OK...first all....keep an open mind.

In my neck of the woods we have secondary irrigation water for lawns, etc t=
hat's not culinary...ie...untreated.

After building my house, I called up the water master and said...I need to =
hook up but...where is my pipe?  He came out, pulled out a pair of rods wit=
h a 90 bend on each end, held them in his hands so they stuck straight out =
from him, parallel to the ground.  Then he started walking around in the ge=
neral area where the pipe was and they crossed...yep....the rods moved by t=
hemselves and he said...there is your pipe.  Dug down...and sure enough it =
was.

So figuring that was an interesting trick, made up my own rods and amazing.=
...it works.  But it doesn't for everyone, we did some un-scientific testing=
 (made it my daughters science fair project) and found wearing gloves inhib=
its it, etc.  Some people it simply would not work at all.  So over the pas=
t years I've helped neighbors find sprinkler pipes, etc

There is a youtube video that shows this, search on "Divining rod video - F=
ind underground pipes easlily - YouTube"

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of=
 Bob Blick
Sent: Tuesday, May 14, 2013 10:57 PM
To: piclist@mit.edu
Subject: [EE] underground pipe/wire finder

When the power company wants to follow the path of a buried cable, they att=
ach a gadget to one end and walk along the ground with another gadget. Look=
s real easy when you have that $7000 pair of gadgets.=20

Any idea what inexpensive thing I could modify to get a similar effect?
I don't need to do it on a live wire, and the maximum depth underground is =
one meter or less.

Thanks,
Bob

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