[time-nuts] Spark timer.

[Gary Woods]

On Fri, 22 Nov 2019 12:54:32 -0500, you wrote:

>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.

I remember using one of these to time "frictionless" pucks colliding
on a sheet of waxed paper in freshman physics lab in beautiful Troy,
NY.  I thought at the time "hey, an electric Vibroplex!"
It pulsed a Model T spark coil, IIRC.