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Re: What is this modification..

I am guessing, maybe someone who knows more will correct me if I get it wrong. I think he may be removing R8 to isolate Bat 1 and 2 from the metering circuit.
Nov 25

Re: What is this modification..

No real clue about that, but I always thought you could run any of the 700 brands on either style battery. However, most will end up needing some kind of work
C. R.
Nov 24

What is this modification..

CDV-700 Victoreen 6B Prepper Geiger Counter Radiation Detector w /Speaker Extras
Nov 24

Re: Canford 42-169 plug set needed

No need to say sorry :) John
Nov 24

Re: Canford 42-169 plug set needed

... ok thanks, sorry. Geoff. -- Geoffrey S. Mendelson 4X1GM/N3OWJ Jerusalem Israel.
geoffrey mendelson
Nov 23

Re: Canford 42-169 plug set needed

@ Geoff I think you're mistaking them with regular XLR audio plugs. The XLR-LNE plugs are meant for powering equipment and rated for 250V AC @ 6A. They're
Nov 23

Re: Canford 42-169 plug set needed

Canon XLR plugs are still used in professional audio. Radio Shack used to have them in stock in every store. You can probably find one in a professional audio
Geoffrey Mendelson
Nov 22

Re: Canford 42-169 plug set needed

Hi David, thanks for finding the data on the obsolete plug I need to power up. Thanks for the relay to the group on my quest for locating the plug/ power cord
Nov 22

Canford 42-169 plug set needed

Phil got a piece of eqiupment that uses the old BBC standard XLR-LNE plug set. Aside from a couple of eBay UK used pieces I see none available. Does anyone
David Nix
Nov 22

Dosimeter Area Monitor

Two Dosimeter Area Monitors- PSU http://www.ebay.com/itm/191736291342?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Nov 20

Little Yellow Geiger Counters spotted in Fallout 4 (video game)

The doctors/scientists at the start of the game wear little yellow devices which resemble the classic, except with a probe mounted on the side and a really big
C. R.
Nov 19
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Re: Any of you built one of these?

Yes, they are stellar, Tom provides the good stuff.  I also use one of his R6233 PMTs for gamma spec, it is excellent. They will not work on an unmodified
Steve Dubyk
Nov 16

Any of you built one of these?

3" Scintillation Detector BASIC KIT Includes PMT Scintillator Electronics & BNC
Nov 16

OT: Any thoughts on usefulness of Varian EM390 NMR Spectrometer?

Okay, so the crazy auction man strikes again! I won a Varian NMR Spectrometer, EM390 recently. Well, I won the console anyway, for $22. They do have the
Nick Andrews
Nov 15

1903 Crookes spinthariscope for sale

Shameless self promotion, but I presume this is of interest here - http://www.ebay.co.uk/itm/121799970146 http://www.ebay.co.uk/itm/121799970146
Nov 1
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