I read in sci.electronics.design that John Larkin jjlarkin@highlandSNIP
techTHISnologyPLEASE.com wrote (in ke7evvo4mvalsj6km5ja2u4di666ge0g49@
4ax.com) about 'why 3-phase power?', on Sat, 3 Jan 2004:

Up to fairly recently, New Orleans was drained by ancient pumps with
ancient switchgear, running on 25 Hz, and all the generators that made
the 25 Hz were (of course) in the city, below sea level too.

Naturally: 25 Hz is an unusually LOW frequency.
--
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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