[Milsurplus] SAGE- NORAD A/N FSQ-7 things! check this link out!

[Marty R's GI-stuff haunt]

May have a training aid for it.

8 x 10 x 3 Bud chassis w. black "label-stock" panel that has ckt. diag. on 
top.  Has 2 loop handles on either side.  2 6C5 triodes under deck.

Release tag data:

 Stock and Part number has 910.741.9273 & says "Multivibrator Timing Circuit."  
 Serial number 6.  Under name of manufacturer or using org. is

    3380 TH M&S CD blurrr

"AF 10-50-16-0-3004-70" engraved on panel. 

Thing's been a mystery here 'bouts for years.  Never having seen
another, I've kept it for just this moment

Go figure.

   Marty