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[Phys-L] Re: Why 60 hertz?

50 is a metric friendly number.
60 is basic Babylonian (or is it Samarian)

Japan was divided north and south between 60 and 50 Hz.
Luckily, (most) clocks don't need line frequency anymore.

At 9:48 AM -0700 3/25/05, Larry Smith wrote:
A student asked the historical question about why America chose wall AC to
be 60 hertz and why Europe chose 50 hertz. I'm interested myself.

Thanks in advance,
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