Ron Hubbard wrote:
> On Jun 27, 6:21 am, John Larkin
> <jjlar...@[EMAIL PROTECTED]
> wrote:
>> On Fri, 27 Jun 2008 06:08:39 -0700 (PDT), Ron Hubbard <r...@[EMAIL PROTECTED]
>
>> wrote:
>>
>>> I bought a bunch of vacuum tubes from a surplus electronics store
>>> that was going out of business, so many of them weren't marked as to
>>> what tubes they were-- but they were cheap. One in particular is a
>>> large eight inch tube that has four pins at the bottom and two
>>> connectors for electrode caps, one at the top and another one sticking
>>> off to the side in an "L" shaped arrangement.
>>> It's obvious it's a power tube of some sort, but does anybody have any
>>> idea what kind? Diode or triode? I don't know if it's a tube number,
>>> but marked at the base by the filaments is the number 35049... Any
>>> help indentifying this tube would be appreciated.
>>> Ron
>> Could be any of a number of parts. Can you post a pic?
>
> Sigh... No; 'fraid not. For some inexplicable reason I can never keep
> a scanner working for more than ywo or three days at the most, then
> they go dead on me. Why, I don't know, but I have the remains of four
> scanners lying about just waiting for the garbage dump. ;-(
>
> Ron
>
Perhaps you're trying to shut the lid all the way when you try to scan a
tube?
I'd think you'd diagnose the problem after breaking a few tubes, but if
you have to break the scanner glass...
--
Tim Wescott
Wescott Design Services
http://www.wescottdesign.com
Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html
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