On Fri, 25 Sep 2009 12:53:32 +0100, Pete Brown wrote:

If the dial goes round 140 times for each time the digit advances
then it's no wonder my gas meter was useless when I tried to see how
much gas it took to heat up the oven.

Didn't you say it took 1 revolution of the dial for one oven heating?

That is 0.017ft^3 gas consumed, find your bill and do the maths.

Simples.

--
Cheers
Dave.