<p>A Transistor Specialties frequency counter from about 1960 running its internal self test.</p>
<p>It contains a 1 MHz ovenized oscillator, and provides a number of features, from frequency counting to period timing to interval counting.</p>

A Transistor Specialties frequency counter from about 1960 running its internal self test. It contains a 1 MHz ovenized oscillator, and provides a number of features, from frequency counting to period timing to interval counting.

Counting on a Transistor Specialties Nixie Tube Counter/Timer

Short videos on technology topics, or demonstrations of vintage technology.

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Counting on a Transistor Specialties Nixie Tube Counter/Timer

Counting on a Transistor Specialties Nixie Tube Counter/Timer