[time-nuts] Spark timer.

[Peter Reilley]

I picked up a CENCO Oscillating Spark Timer at the MIT flea market.
I would have liked to get an old tuning fork frequency standard but
this old mechanical oscillator peaked my interest and at $5 I could
not resist taking it home.

It is described on this web page;
https://www.worthpoint.com/worthopedia/vintage-cenco-central-scientific-1860023527

It works fine, what could actually go wrong with something so simple?


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