Hello all, I have been interested in radioactivity for many years now, and I have several new and old Geiger counters, and several U ores, radium dials, you...
Does anybody have a link to or have plans for a homebuilt audio divider that I can use with my LENi? My asp-1 has it and I would like to build an external one...
I acquired a set of three AC-3 alpha scintillators a few weeks back and researched the posts here on CP-1 connectors. I decided to try my hand at turning out a...
220340268233 This unit is a Lucas cell plus a 5 inch photomultiplier tube reader. The reader can be used for many things other than a Lucas cell. No connection...
Hi - I have recently picked up a RadCal 2025 + 20X5-60 head and in chamber. It appears to be designed for x-ray dose measurement. Question - is the ratemeter...
Snagged an MP-1 off eBay a few weeks back looked at the various posts and files on modifications to eliminate the power supply problems. Lucky for me that the...
Q: Can you explain the difference between Uranium 238 and Depleted Uranium 238? Short answer: Natural uranium ore contains about .72 percent of U-235, the...
PAGE 2...for Archives go to PAGE1Looking for some small pieces of leaded sheet glass, maybe 12"x12" or so. Should anyone have any to part with at reasonable...
hi-- just got a coupple cdv715s in the mail. One has a cracked up meter. Q. What should I do to fix it? just buy a parts unit for like $10 and use the meter...
Hi All, Does anyone live in Georgia? I don't have anyone signed up in the state and we have a request for a tester. Not sure which part of the state, the...
The 800th and last LENi just sold on eBay. Many thanks to all for the support on this long ongoing project. Now it's time to more fully explore other areas of...
I remember working in Jackass Flats, Navada, we had these pen style personal radiation monitor's we wore on a string around our neck, that were called...
I'm seeking some atomic bomb test films, released in the public domain, and freely available for download. I know about "Trinity and Beyond" footage as I...
Hi, I have sorted by Gamma Radiance - Uranium Content the following ore grades. Grades 1 to 7 are between 40KCPM Gamma to 140KCPM Gamma. Here you will find...
I have a LENi Pro that I purchased new in July 2008, from George at Geoelectronics. Still under the "no matter what" one year warranty. It is my 3rd LENi Pro,...
I worked on the hardware logic design side of computer engineering during the transition from magnetic core to semiconductor memory. The so-called single bit...
Several years ago someone in the forum posted a link to an interview with a physicist in regards to simple experiments with a thorium mantle. In the article...
Back from rafting the Martha Brae,and checking out the Luminous Lagoon. Not much of radiological interest, but much beautiful nature. Will get those last few...
Hi, folks, I just recently picked up this counter, and I think that the main capacitor is bad. It is labeled C2 in the schematic, and all it has under it for a...
The capacitor in question is C10. It is marked "special" on the schematic. There are two sets of numbers on it, one set is 761514. The other set of numbers is...
Saw this on the BBC website. Cool piece of Vaseline glass. http://news.bbc.co.uk/1/hi/scotland/highlands_and_islands/7779980.stm A few years ago I was lucky...
In the works the most bizarre rad detection story since the Radioactive Boy Scout. Will publish as soon as I can get all the police, hospital and fire dept....
I have a need for an intrinsically safe (explosion proof) alpha survey meter. Ideally I need a dual alpha/beta instrument. I have found where ludlum now...
The usual people selling uranium minerals don't have tags showing the CPMs detected from their pieces anymore. Does anyone here know what happened? Did Ebay...