We also came up with the following link to an interesting article
> about frequency converters. This seems to confirm that 25Hz power was
> indeed generated in the Niagara/Buffalo region of New York, as well as > elsewhere.
On a couple of nonstrop auto trips in 1949-1952 back and forth between home in Detroit and college in Boston we took the straight-line route thru Canada, N of Lake Erie, and I believe the power the part of Canada we went through was 25 cycle at the time -- flickering lights in late-nite restaurants, etc.