The numbers refer to the number of wires in an inch. A number 50 would have 50 vertical and 50 horizontal wires in the grid. While a number 4 grid will pass...
hi everyone i'm a newbie here but i was interested in what mel had to say about the early days of uranium mining in the US. in a previous life i was an...
Hi, there is a beckman Gamma counter on eBay item 320108404059 It in Brockport. Looks a bit rough but has no bids at under $10. shipping is a no-no as it...
Robert tell me more about that unit, is it a MCA ? does any one have a Manual for it ? Thanx, Mark ************************************** See what's free at...
... I also ... blues and ... neutron ... done, I ... feel it ... that they ... irradiated ... hypocrites. ... shop ... very nice to meet you steve sounds like...
Hmmm, there is some U contamination in several City of Las Cruces wells around here, most likely from natural deposits under the sand. It is very small trace...
Geo, and others, Check out MINERS. They are in Riggins, ID. I've used this co. for many years. And they've been supplying USGS, Geologist, the mining industry,...
I have recently updated the Trinitite Photocards and lots with greatly reduced prices for the members here and new members to this site. The Trinitite cards...
The screen on my laptop stopped working, so I had to connect a CRT monitor to it. Naturally, I wanted to know about the radiation on the screen, having...
I'm sure some of the more experienced here could address this question better than I... I've noticed much higher readings with a pancake probe measuring any...
The mesh size is in parts per inch. So a 4 mesh size is about 1/4". 100 mesh is about 1/100" openings. When testing soil for engineering purposes, you have...
... Not as interesting as the ongoing project(s) of making big rocks into little ones, but since I don't have access to any big rocks, I'll go back to lurk...
Trust me Fredrick, there are tons of big rocks lurking. Good quality yellow big rocks. Geo ... From: fmccay03 To: GeigerCounterEnthusiasts@yahoogroups.com ...
Frederick, just in front of the rock museum just north of Atlanta there is a monster boulder of Bauxite ( yes aluminum ore) that has a lot of radioactivity....
North GA is mighty close to OAK RIDGE too, and Huntsville. Geo ... From: F. McCay To: GeigerCounterEnthusiasts@yahoogroups.com Sent: Wednesday, May 02, 2007...
We stopped in Oak Ridge quite a few years ago; it's a really interesting place. We've also driven over to Huntsville a few times, looking to eventually move ...
Rare earths? Maybe some of those have a natural radioactive isotope along with the regular ones?. Some elements like Thorium, all the isotopes are radioactive....
Howdy All, This is a reply to Frederick's message, but the offer is open to anybody in the group that resides in the USA. If you don't have access to a Uranium...
I'll be picking up a fresh sack in person! Geo ... From: mels To: GeigerCounterEnthusiasts@yahoogroups.com Sent: Wednesday, May 02, 2007 10:11 PM Subject:...
Most of the rare earths used in phosphors are not radioactive, if anyone is interested, I will post a list of the common EIA registered phosphors, with their...
Please do, then we can delve deeply into unintentional sources. Geo ... From: Scott Johnson To: GeigerCounterEnthusiasts@yahoogroups.com Sent: Wednesday, May...
... here goes. ... observations. you are right that it cannot be xrays if it happens with the crt swithed off. ... Sorry to pick nits, but that is not entirely...
Lead (Pb) for shielding > Tutorial by Geo Ever since the dawn of the nuclear age, all modern lead has been contaminated with radioactive elements from one...
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