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CDV700CLUB · The CDV 700 Club is a forum for like minded individuals that enjoy collecting, fixing up, and using geiger counters and other r
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Messages 13025 - 13054 of 27218   Oldest  |  < Older  |  Newer >  |  Newest
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13025
... Well, I left it running for 24 hours, intending to overlay it on the 2 other day's data I have and see if there was a difference, but now I check it and I...
Justin
-harlequin-
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Jul 1, 2004
10:56 am
13026
Hi, my better half has asked me to dispose of most of my CDV collection.... :-P Before I go the eBay route, I thought I might offer them to the list members...
dx3752
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Jul 1, 2004
9:49 pm
13027
contact me directly please. Geo ... From: "arclight762" <arclight@...> To: <CDV700CLUB@yahoogroups.com> Sent: Thursday, July 01, 2004 1:47 AM Subject:...
K0FF
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Jul 1, 2004
11:22 pm
13028
A search in Amazon for "The Radioactive Boy Scout" will get you info on the new book and a summary. Interestingly, reference in the original article to "the...
kd4fnc
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Jul 2, 2004
12:27 pm
13029
... Why would there be a duty on goods manufactured in the USA?...
J. Marshall Reber
groschen1936
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Jul 2, 2004
1:14 pm
13030
... Good point. So long as it's clearly noted in the contents description that the goods are US-made, there shouldn't be duty, but customs is not at all...
Justin
-harlequin-
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Jul 2, 2004
1:54 pm
13031
Apologies, my mistake then... I would note on the paperwork that the US was the country of manufacture... Thanks for the heads up.... Dave...
dx3752
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Jul 2, 2004
3:02 pm
13032
I have finally made some high quality copies of these two manuals for the few of you who have requested them. Besides the detailed menus for the many...
J. Marshall Reber
groschen1936
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Jul 2, 2004
6:59 pm
13033
Our local water dept issues an (EPA required) assay report annually. The chart starts with radiologicals * alpha * beta * radium * uranium and gives the...
DH
revtkatt
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Jul 3, 2004
2:13 am
13034
Thanks marshall. You will see my order in your pay pal. OT But I have to ask. Ham radio Manuals. Gonset, Communicator III transmitter/Reciver for 6 meters. at...
Tracy Albert
thealbert1
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Jul 3, 2004
2:26 am
13035
Hello Dave. I still have 10 gallons of powdered water from a local well reported to be high in radium. It took days to Boil off the liquid part. The detectable...
Tracy Albert
thealbert1
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Jul 3, 2004
2:43 am
13036
Hi folks, You may recall i recently purchased a plastic scintillator on ebay. I have just noticed that the seller has put up another of the same. The one...
redhawk44bt
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Jul 7, 2004
9:51 am
13037
Hi all, I am new here and would like to ask you guys if somebody can help me. I got a Anton CDV 700-5, I bought this 2 years ago and did not use it much until...
walt_hofmann
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Jul 9, 2004
10:55 pm
13038
A while back, someone on this group asked how deep a vacuum a Foodsaver Vacuum packager could pull. I tested a Foodsaver Vac 370 with an automotive-type...
Dangerous Laboratories
uravan238
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Jul 10, 2004
3:42 am
13039
I had a similar thing - my Anton just kept reading higher and higher (falsely), then it wouldn't read anything at all. Probably dried up caps or something....
Justin
-harlequin-
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Jul 10, 2004
5:08 am
13040
That was my question. Lab-grade vacuum pumps tend to be pricey. If a Foodsaver could have been drafted into duble-duty service, then it would have been...
Phil Bigelow
phillip_bigelow
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Jul 10, 2004
7:17 pm
13041
Don't know exactly, but it is about 1.0E-6 Torr. You measure vacuum in that range by spraying electrons into an area and then measuring how many ionized gas...
Craig
siliconhillb...
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Jul 10, 2004
7:42 pm
13042
Wouldn't it be cheap to build a vacuum pump like Edison used, using glass tubing and mercury (called a Sprengel pump)? Or is mercury to unobtainable at this...
Chris Cavanaugh
night427
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Jul 10, 2004
8:24 pm
13043
... Good luck. A kid spilled a few drops of mercury at a high school in DC last fall, the panic caused them to close the school for about a week and send...
Chris Smolinski
lastoneouttu...
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Jul 10, 2004
8:35 pm
13044
... Welch 2-stage rotary vane pumps come up at swap-meets and auctions occaisonally or on ebay. Got mine for AU$200 and it goes to 10-4 torr....
Russell Shaw
rj2000_au
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Jul 11, 2004
1:28 am
13045
Excellent price. Have you actually measured that vacuum or is that the pump "blanked off" spec? Also, almost all mechanical pumps use oil for the internal...
Craig
siliconhillb...
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Jul 11, 2004
3:19 pm
13046
Hi People, I was in need of a quantity of mercury a little while ago (I didn't have any hence the need for it) The way I obtained it was to purchase, via eBay...
redhawk44bt
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Jul 11, 2004
3:43 pm
13047
Here is a reference to the home made cryosorption pump. If you first "rough pump" the system with a mechanical pump you will get somewhat better results....
Craig
siliconhillb...
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Jul 11, 2004
3:44 pm
13048
... ... It's the spec. I haven't left it running long enough or with a pure container to get that level. I'm still wondering about the cold-trap. Liquid...
Russell Shaw
rj2000_au
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Jul 11, 2004
5:58 pm
13049
... at ... A similar source (that I've used) is to buy mercury tilt-switches. This may cost more or less than the guage, depending on the switches (I've seen...
Justin
-harlequin-
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Jul 11, 2004
6:29 pm
13050
http://www.fcw.com/fcw/articles/2004/0705/web-topoff-07-09-04.asp ... Ah bureaucracy!! How to balance secrecy and information?...
J. Marshall Reber
groschen1936
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Jul 12, 2004
1:57 pm
13051
This makes you sleep well at night! http://www.cnn.com/2004/WORLD/africa/07/12/congo.uranium.ap/index.html -Charlie W5CDT...
Charlie Thompson
W5CDT
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Jul 12, 2004
4:09 pm
13052
I have to make more copies of these manuals this week in order to fulfill all the requests received so far. If you want any, now is the time to hollar! ... ...
J. Marshall Reber
groschen1936
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Jul 12, 2004
4:24 pm
13053
Hello all. "Local and national homeland security exercises have shown that people will be one of the most critical and scarcest resources for first responders,...
Tracy Albert
thealbert1
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Jul 12, 2004
9:29 pm
13054
Group, The cheapest and best location to purchase mercury is a dental supply house. In the past they have managed to hold to extremely low prices for the...
Jack Herron
jackherron@...
Send Email
Jul 12, 2004
11:03 pm
Messages 13025 - 13054 of 27218   Oldest  |  < Older  |  Newer >  |  Newest
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