[ARC5] What is in this photo?

Brooke Clarke brooke at pacific.net
Sun Aug 5 15:12:40 EDT 2018


Hi Tom:

A very interesting find.  I've posted the photo on my Gibson Girl page because what looks like a motor driven Morse Code 
Wheel, but that's just a guess now.
https://www.prc68.com/I/GibsonGirl.html#Mystery_Device

Observations:
The carry case with two handles (probably it's heavy) has English printing about keeping out of the Sun. (does not make 
sense for a beacon transmitter)
WARNING - KEEP (handle)  ???????
? ? ? ? ? ? ? ? ?        (handle) EXPOSED
?   ?   ?    ?     ?                       OR SUN


There are at least 3 parts to the device:  (1) the carry case, (2) the main chassis (we can see the back of it), (3) the 
front panel (2 men holding)
Note the carry case has an "L" shaped storage area at the back center for a bunch of accessories that involve a lot of 
wires.
Both the chassis and front panel are notched to fit into the carry case.
In the upper left corner on the back of the main chassis is what appears to be a motor driven mechanism with two cams 
operating two witches which might be Morse Code keyers.
The same idea as the motor driven cam in theGibson Girl Fig 50 <https://www.prc68.com/I/GibsonGirl.html#Fig_50>.
At the upper right of the chassis is a large coil with many taps which appears to be for low or medium frequency.  It 
has a lot of taps.
This might be part of an antenna matching network (consistent with an emergency beacon transmitter) or it might be to 
allow generating RF on many frequencies (not consistent with a beacon transmitter.)
In front of the carry case there appears to be a white cylinder a couple of inches in diameter.  Maybe just a spool of 
hookup wire used to connect scope.

-- 
Have Fun,

Brooke Clarke, N6GCE
https://www.PRC68.com
https://www.end2partygovernment.com/2012Issues.html
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

-------- Original Message --------
> Hello All,
>
> See ebay item 301225267182.  What are these guys in the photo tinkering with?  It looks American, possibly a test set 
> for something.
>
> Tom Bryan
> N3AJA
>
>
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