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486sx33
on Feb 7, 2025
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The origins of 60-Hz as a power frequency (1997)
Ontario, Canada, at niagara falls generated 25hz for industry (stelco and others) until the early 2000s
https://www.lifebynumbers.ca/history/the-rise-and-fall-of-25...
sathackr
on Feb 8, 2025
[–]
Large parts of the NE corridor train line(DC to NY and New Haven to Boston) still operates at 25hz and has its own power system and generators because of it.
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