[time-nuts] Visual clock comparison

Bill Beam wbeam at gci.net
Mon Apr 20 02:46:29 EDT 2015

On Sun, 19 Apr 2015 23:25:10 -0400, Chuck Harris wrote:

>1/5th second is simply the rate at which the balance
>wheel on a standard stopwatch ticks... 18000BPM.

>-Chuck Harris

You must mean 18000BPH.

There are many balance wheel rates in use from 4.5BPS to 10BPS and higher.
My Elgin "jitterbug" stopwatch runs at 40BPS.

Bill Beam

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