60 hertz power

From: Steve Thatcher <melamy_at_earthlink.net>
Date: Fri Dec 10 20:18:37 2004

the 60hz thing was related to efficiency of polyphase (2 and 3 phase)
motors that Tesla developed for Westinghouse. I suspect that it was arrived
at by experimentation with the materials, etc that Tesla had to work with
in the 1890s.
Received on Fri Dec 10 2004 - 20:18:37 GMT