In article ws.net,
Doctor Drivel wrote:
When was it universally adopted?

They came in after WW2

You don't say..

Oh - I do. And given that your 'knowledge' of anything comes from adverts
and websites, surely a little Googling will say so too?

You do know how to Google?

--
*Hang in there, retirement is only thirty years away! *

Dave Plowman London SW
To e-mail, change noise into sound.