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

WA5CAB at cs.com WA5CAB at cs.com
Fri Nov 15 00:18:41 EST 2013


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.

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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