Filters ??

[Dave & Debby Anderson]

Boatanchor folks:

At the Timonium, MD hamfest this weekend, I came across a couple of
unusual thingies, and some of them followed me home.

These are sealed metal units, about 1.75"x 2"x 8", with a 7 pin
miniature tube style plug on one end. Each weighs well over a pound.

The box is labeled:
5915-00-069-2722
Filter, band pass
1 ea.
DLA900-78-M-E949
A    1/78
CC-0514-16

The unit is labeled (on the end without the plug):
CC-0514-16
2975 CPS
RECEIVING
SM-C-357666-16

and on the end with the plug:
CONOLOG CORP.
7804

Obviously these are some sort of filter, but. . .
Does anyone have any idea what equipment these are for?
Does anyone have a use or desire for one?
They are 'new', and pretty enough that I hate to rip one open to see
what's inside, but I am a little curious. . .

Thanks

Dave Anderson

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