Re: [neonixie-l] Digest for neonixie-l@googlegroups.com - 1 Message in 1 Topic

[westdave]

I have two of these …the timing of the dekatrons is controlled by a timing MOTOR with an optical wheel reading the time pulses,sometimes you need to tap the sides to get the motor to turn.

recommended... lots of fun ,many tubes inside, two is enough for any one, westdave is no bid

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From: neonixie-l <neoni...@googlegroups.com>
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Sent: Wed, Jul 3, 2013 1:38 am
Subject: [neonixie-l] Digest for neoni...@googlegroups.com - 1 Message in 1 Topic

  Today's Topic Summary

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• Yet another event counter in ePay [1 Update]

 Yet another event counter in ePay

GastonP <ghpi...@gmail.com> Jul 02 07:55PM -0700  

Hey guys... just saw a beautiful one:
 
http://www.ebay.com/itm/Vintage-Hunter-Dekatron-Nixie-event-counter-/161058286086
 
It is really in very nice state. No doubt the innards got some maintenance
(the tube that can be seen from the back slot vents is shiny, not something
to expect after around 50 years life).
Rest assured that if I were not a continent away the title of this thread
would be "Look what I got on ePay" instead :)
 
Nothing to do with this sale, seller or anything.
 
Cheers
Gaston

 

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[Jon]

Nice device! Which dekatrons does it use?

 

Jon.

[Dekatron42]

You can find some information here: http://www.cs.ubc.ca/~hilpert/e/edte/Hunter120A/

 

It uses the same type of synchronous motor found in voltmeters of that era, Hewlett Packard used them to chop the DC voltage so it could be measured.

 

/Martin