Sylvania 7155  
Written by Accutron on 2017-02-21  

The Sylvania 7155 is a miniature high speed computing counter dekatron with three independent cathodes at positions eight, nine and zero. The 7155 has a Penning-type fill, and is capable of 100KHz operation. Sylvania also manufactured the 6879, a standard speed 5KHz variant with a neon fill gas.

Sylvania Decade Counter Tubes (PDF)

Sylvania 7155 high speed miniature selector dekatron.

This article is part of the [Glow Transfer Counting Tubes] exhibit.

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