while were still on granite, I looked up history of granite on internet. one company started in 1889, with gray structural granite, for monuments, buildings...
robertdruecker@...
Aug 1, 2008 1:49 pm
27337
sorry for creating a monster. I never realized that I would cause such a stir here, talking about granite. I know its been on the news quite a bit, with...
robertdruecker@...
Aug 1, 2008 2:05 pm
27338
To slow down (moderate) fast Neutrons we use CD's (not the financial type). But then our detectors are He-3 based tubes. We coat a tube with CD's, for...
... I think most people here use external check sources. I got mine from gothotrocks.com, and keep a thorium lantern mantle nearby too. The original CDV...
a typical eBay 'auction' number for Cs-137 is 350072156906. Many other isotope sources also available from GEOelectronics , most but not all as listed in NRC...
Thanks JJ That sounds like a good way with cd's. I was just reading that on fusor.net also. I don't have a He-3 tube handy at the moment is this able to...
These WWII switches make excellent check sources. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130237204397&_trksid=p3907.m32&_trkparms=tab%3DWatching ...
... internet. one company started in 1889, with gray structural granite, for monuments, buildings etc. our companies were undercut by italy and spain. ...
... use one ... heading ... So when you receive one, if you test it to see if its good, eg with balloon & paper electroscope, that's illegal? Do QA, do time? ...
I think your analysis is more complex than necessary: http://www.aw-el.com/deviat.htm STANDARD DEVIATIONS ABOVE BACKGROUND Determine background CPM (Counts per...
... The liquid inside gradually escaped, so I stupidly assumed I could refill it with alcohol. Bad mistake! ... collection of radium paint particles. I can't...
" The medium doesn't have to be in contact with the detector, just between it and the neutron source. " Having the moderator on the side of the probe away from...
ron, I'm thinking that granite was enriched with uranium, in the same way that the chattanooga shale was. the shale was layers of volcanic ash, and the granite...
robertdruecker@...
Aug 1, 2008 7:48 pm
27352
It has to do with partitioning of different elements into the magma that formed the granite (not lava unless it's on the surface). When a magma forms from a...
good job steve. finally we have an explanation that even I can understand, and it makes sence. after I sent the e-mail, I realized that I had said lava. I...
robertdruecker@...
Aug 2, 2008 1:04 am
27354
... From: Geo>K0FF To: GCE2 Sent: Friday, August 01, 2008 11:45 AM Subject: BIG Water clear sodium iodide crystal- $25.00 Cylindrical Bicron crystal, NOT...
Hello everybody! I am new to these forums and this is my first post :) I am pretty new to geiger counters and I have a quick question. -Can a CD V-715 detect...
Tom and George have great ways of testing the 50 uA meters that are found on CDV-700s. My way is down dirty and cheap. I 'borrow' the 'D' cell holder from a...
I don't want to seem ignorant, but isn't it possible that much of tennessee was once covered by ocean, and the sedementary rocks are rich in sea life, dating...
robertdruecker@...
Aug 2, 2008 1:32 pm
27360
where was the guy standing? Geo ... From: officerseal To: CDV700CLUB@yahoogroups.com Sent: Saturday, August 02, 2008 12:39 AM Subject: [CDV700CLUB] Can a CD...
"Unfortunately, this 'exercise' didn't do much to help 'sticky meters' reform and lead productive lives. Doc" No but it would make a cool video, especially if...
... tennessee was once covered by ocean, and the sedementary rocks are rich in sea life, dating back to before cambrian through the devonian period. that there...
A great quote, no? http://www.bangkokpost.com/020808_Business/02Aug2008_biz35.php (An ex-soviet 'istan wants to keep running their uranium manufacturing..)...
He was in his house infront of his PC. He didn't mention any sources of radiation or anything. I even talked to him and he said it was background radiation....
no way, unless his house is near Chernobyl. see: http://www.qsl.net/k0ff/What%20*IS*%20and%20What%20*IS%20NOT*%20A%20Geiger%20Counter/ Geo ... From:...
DH, You are usually two or three steps ahead of me, but this time I am not so sure. I can't follow the simplifications in your statistical method. It does...
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