Search results

  1. D

    On the london underground - what does the dial in every carriage measure and why is it..

    ...there? Ok, so I was on the London underground at the weekend and one of the things I noticed was that in every carriage was a little dial/clock type face that measured, what i'm assuming is pressure (the numbers ranged from 0-10+ i think and the measurements were in bars - the dial then...
Back
Top