[NJARC] Bar Magnet wanted

[JOE CRO]

Rob - I may have a zero center microammeter. I'll take a look and let you 
know.
Regards,
              Joe Cro N3IBX
----- Original Message ----- 
From: "John Dilks K2TQN" <oldradio at worldnet.att.net>
To: <robandpj at earthlink.net>; "New Jersey Antique Radio Club" 
<njarc at mailman.qth.net>
Sent: Saturday, January 03, 2009 6:11 AM
Subject: Re: [NJARC] Bar Magnet wanted


> Visit our web site - See http://www.njarc.org
> _______________________________________________
>
> Hi Rob,
>
> you don't see them around in stores anymore.  You used to be able to pick 
> them up in hardware stores.  I'm told Edmond Scientific has them on line.
>
> 73, John
>
> At 05:13 AM 1/3/2009, you wrote:
>>Hi All,
>>I am doing a program on telephony at a school and would like to recreate 
>>the device at our museum with the microammeter and bar magnet, to help 
>>explain how a dynamic microphone works.  Does anyone have a bar magnet 
>>kicking around, or know a good source for stuff like that.  Will also need 
>>a zero-center microammeter.
>>
>>Thanks,
>>Rob
>
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