[GreenKeys] [AWA] We have this Model 31 Teletype and need the control box...

Duncan Brown duncanancy at earthlink.net
Fri Nov 15 09:29:55 EST 2013


Ed,

See RTTY magazine, October 1962, p8 (you shuld be receiving it today)

Duncan

On 15-Nov-13 00:25, COURYHOUSE at aol.com wrote:
>
> I am  still confused  about the holding and  the  pulling magnet 
> selector..
> any quick visual guide for the two so I can compare units  I have here!>?
> Thanks  in advance  Ed#
> In a message dated 11/14/2013 10:18:50 P.M. US Mountain Standard Tim, 
> WA5CAB at cs.com writes:
>
>     The second or third Model 15 I ever had was equipped with a
>     holding magnet selector. I'm not sure but think that it came from
>     a surplus dealer in Shreveport, LA, who would likely have gotten
>     it from Barksdale AFB.  I don't recall any decal, though.  Of
>     course that would have been more than 45 years ago
>
>     In a message dated 11/14/2013 15:03:34 PM Central Standard Time,
>     jhhaynes at earthlink.net writes:
>>     Note that the original Model 14 and Model 15 equipment with pulling
>>     magnet selector has the selector coils in series for 60MA operation;
>>     20MA is not an option.  Model 14, 15 and later equipment with the
>>     holding magnet selector allows the coils to be in series for 20MA or
>>     in parallel for 60MA.  I've seen military Model 15s with a decal on
>>     the copyholder saying they have been refitted with different magnets
>>     that can go either series or parallel, and the picture on the decal
>>     shows the cylindrical magnet coils that belong to the pulling magnet
>>     selector.  But I've never encountered a machine that actually has the
>>     special coils, in spite of the decal.
>



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