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July 7, 2022

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tubes

Tube: SI-14B (CИ-14Б) Pancake Geiger Muller

July 12, 2010
19 comments

The Russian SI-14B is a highly sensitive pancake geiger muller tube .

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CdS Photosensitive Vacuum tubes

October 28, 2009
0 comment

A collection of a few NOS photosensitive vacuum tubes.

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