An electron beam device of some sort. [4032x3024 - 3.68MB] | Poal: Say what you want.

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An electron beam device of some sort. [4032x3024 - 3.68MB] (pic8.co)

Unsealed. Probably made by Sylvania in the late 60s early 70s.

Unsealed. Probably made by Sylvania in the late 60s early 70s.

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[–] • 0 pt

I believe it was supposed to look at the scintillation crystal I posted a few days ago.

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