> -----Original Message-----
> From: Ian Middleton [mailto:[EMAIL PROTECTED]]
> Sent: 02 August 2002 09:24
> To: Protel EDA Forum
> Subject: Re: [PEDA] OT Metric vs Imperial
>
[cut]

> The definition of an inch is derived from this. 1 inch = 0.0254
> metres. Note
> it was only during the 2nd world war that the Amrican Inch became equal to
> the British inch. This was only found out when aircraft wings
> made in the US
> had problems fitting to bodies made in the UK. Maybe protel are
> still using
> the pre-war inch, which could account for the rounding errors ? (NOT)
>
[cut]

... more likely the Aussie inch :-)

All of which indirectly reminds me of a former colleague who was stopped for
speeding on a business trip to the USA.  He managed to convince the police
officer that he'd thought that as the speedo was calibrated for 'US miles'
he wasn't going that fast - and got let off with a warning!


Regards

Andy Gulliver


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