[QuadList] Mains frequencies==(was Quad - progressive or interlaced?)

[Ted Langdell]

The Wikipedia reference indicated Westinghouse (IIRC) chose 60Hz over  
50 because it caused less flicker in arc lights.

Ted

On Apr 10, 2010, at 10:53 AM, Chuck Reti wrote:

> Not documented anywhere I've looked, but wonder if 60Hz might have  
> been chosen since it correlates with 60sec/min - 60min/hr timekeping.
> Did make it easier to do electric clocks!
> -- 
> Chuck Reti
> Detroit MI

Ted Langdell
Secretary