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John Webb's latest activity

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    John Webb replied to the thread Gas leak at Salisbury (18/04).
    I'm not clear exactly what sort of gas leak it was. One problem is that if even diluted gas is drawn into an internal combustion (ic)...
  • J
    John Webb replied to the thread Mystery Key.
    Signal 3 allows trains from the Goods loop onto the main line, signal 7 appears to allow trains to cross over into the Down Sidings, and...
  • J
    My late father, born 1913, learnt to drive between WW1 and WW2; I'm not certain exactly when. But post-WW2 he steadfastly refused to get...
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    John Webb replied to the thread Mystery Key.
    In that case Highdyke Box was a short distance away from the North end of Stoke Tunnel. Could this have been a key for locking a...
  • J
    John Webb replied to the thread Mystery Key.
    Where was Highdyke Box? There seem to be a number of places with a similar name scattered around the country. Does the Number 3 refer...
  • J
    John Webb replied to the thread Bardic Lamp Bulb Installation.
    I think the clip can replaced on the back of the lampholder from behind, as you don't have the revolving colour mechanism in the way...
  • J
    John Webb replied to the thread Calculating Railway Height.
    The horizontal line of the benchmark is at the declared level - or at least it is the declared level when the measurement was made. As...
  • J
    John Webb replied to the thread Calculating Railway Height.
    The scientific convention is that 277.48 would be rounded down to 277; 277.52 would be rounded up to 278. On the other hand 277.5 is...
  • J
    John Webb replied to the thread Calculating Railway Height.
    That conversion to 1/8th inch is approximate as there are 96 eighths of an inch in a foot. (12 x 8=96). All levelling was done by the OS...
  • J
    John Webb replied to the thread Calculating Railway Height.
    Decimals of a foot, I understand.
  • J
    The Furness Railway was noted for the use of local stone for station buildings and signal boxes - there are a number of more usually...
  • J
    The signaller may have been busy sending the 'Train entering Section" to the next box and "Train out of Section" to the previous box and...
  • J
    It wasn't only 1984-1994 prices rose. In 1969 I started a cross-London commute, having taken on a new job. From January 1975 to January...
  • J
    I've noticed a further upswing in the number of unwanted calls on my landline following my early March posting. February and March had...
  • J
    John Webb replied to the thread Electric Shower tripping RCD.
    Most likely cause of an RCD tripping in a shower or other water-heating device is a fault in the element (most likely corrosion of the...

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