LT Museum Depot Open Day

[ppppenguin]

I dimly remember reading an article about the Victoria line when it was brand new. Possibly in Meccano Magazine. I would have been 10 or 11 at the time. There was all sorts of stuff about different pulses and tones transmitted from the central control room to the trains. I found some documentation here:

http://www.trainweb.org/tubeprune/Victor...%20ATO.htm