In article 3,
Tom Gardner wrote:

But then I did spend a decade driving an old Land Rover
which had many bits nicked from Minis, a fuel guage
originally calibrated in Roentgens/hour, and one working
windscreen wiper. (As the garage had to agree, the MoT
said that windscreen wipers must work, if they are
fitted).

Hmm. Mile-hours per Roentgen. An interesting unit.


Regards,
Nick Maclaren.