Dilwyn Jones wrote:
...
> <rant>
> You probably forget the inevitable British resistance to change. How
> long have we been "thinking" of going metric?
We actually went metric on 1 July 1959 when:
The yard was redefined as 0.9144 metre /exactly/[1]
and
The pound was redefined as 0.45359237 kilogram /exactly/
ie the yard and pound since 01 July 1959 have been defined in /exact/ terms
of the metre and kilogram - not exact multiples of 10 I grant you, but
defined /exactly/ none-the-less.
Just I expect nobody noticed - like normal.
[1] Sourced from my Collier's Encyclopedia [set of 24 volumes] published 1968
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