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The tube is a 3NP4 and it is part of a Norelco projection system. 1 box has tube ,Schmidt mirror and corrector lens in a folded system and another had the sweep and hi-voltage supply. This was used by several manufactures in projection sets and the Norelco Duo-Vue console where you put a direct view set on top of the box and the projector projected out the back of the box to a screen on the wall. I modified one of these Scott's with a Col-R-Tel color convertor in the mid 50's but the brightness was low. The TV chassis as I recall was a pretty good set and I believe it had a chrome chassis like Radio Craftsman but I don't remember much about it. At the time it had a very large picture in a nice small box. It was way ahead of it's time.
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