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Untested Sylvania 13-27681-4 RedBlue Tube Photomultiplier Flying Spot Scanners

Untested Sylvania 13-27681-4 RedBlue Tube Photomultiplier Flying Spot Scanners

$14.95 USD
$14.95 USD
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Untested Sylvania 13-27681-4 RedBlue Tube.
Date Code 68-39. 
The 274 EIA code indicates that this tube was made by RCA for Sylvania.

This is a photomultiplier tube used in flying spot scanners.
It is untested and the working condition is unknown, therefore it is being sold as is described and pictured.

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