Need info on 5 inch scope

[w1vtp]

Picked this scope up recently.  It looks like it's a Millen 5 inch wanna be scope.  Who made it and is there a schematic / manual available

I have a new in box Millen scope amp / sweep unit that may work on it

Thanks, Al

[w1vtp]

Final pic

[KA2DZT]

The knobs look like GR knobs, but don't think GR ever made scopes.

Fred

[W3RSW]

Looks kind of unfinished. All those 12ax7s have fils hooked up but apparently little else.
Hor. and vert amps ?

Oh well,
CRT ok hopefully.

[Opcom]

Instead of unfinished, I suggest stripped for re-purposing.

Looks like an in-house built equipment, part of acquisition system of old if the Memory connector means anything. Possibly part of a military and or research program. Singer used CRT bezels like that a very long time ago. I would like a peek at whatever refrigerator-sized "memory" went with it. Could have been "Russian Memory Device" a chart recorder.

I have many similar items in my collection. Beware you may become a CRT fiend!

The black transformer is just for the CRT filament insulated to a high negative voltage. If it is still the 5UP1, depending, it may have run on a low voltage in there like 1500 with the cathode very negative and the deflection plates at the anodes of one of those 12AX7s, a couple hundred volts positive. Usually there is a separate small HV rectifier tube like a 2X2 when the voltage is any more. 5UP1 is an easy to use tube.

[WBear2GCR]

From the numbers for the tubes, and the front panel being screened (?) labels, it would need to be commercial, or at least from the proto shop of a mfr... I'd agree from the photos that this has been stripped
and parts removed.

Is there a HV supply there?

Does the silver label on the big transformer say anything interesting??

Neat find, but what in the world could you use it for??
Would make a neat "scope clock" - fwiw.

                                            _-_-bear