Tom Anderson wrote:


IMHO It is very likely that I Kingdom Brunel would welcome
electrification. He seemed very keen to find a better, cleaner form
of motive power.

He would have insisted on using 3 phase 37.278kV* electrification at
16.25Hz fed through side contact 3rd and 4th rail - and bugger the
through running!

* there is a logic behind this number. See if you can work it out!

Dunno, but getting three-phase power through two conductors is an
interesting idea.

tom


.... running rail(s) for the third phase. I'm not making this up, it has
been done before, in Italy and elsewhe

http://en.wikipedia.org/wiki/Railway...urrent_systems