To add to the two excellent references at the bottom of the page, I would
contribute the following from <http://www.biography.com>:
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Whitworth, Sir Joseph
male
(1803--87)
Engineer and machine-tool manufacturer, born in Stockport, Greater
Manchester. After working as a mechanic for some years, he began
to make
his own machine tools, exhibited them at the Great Exhibition of
1851, and
quickly gained a reputation for their quality and accuracy. He
established
standard screw threads and the equipment for forming and gauging
them, and
developed a method of casting ductile steel. He founded Whitworth
scholarships for encouraging engineering science.
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Mike
At 03:32 PM 5/19/97 +0000, Berry Kercheval wrote:
>>>>Fred Alexander said:
> > Can you be more explicit as to what a Whitworth wrench is?
>
>Whitworth is a system of fasteners used mainly on older British cars and
>motorcycles. The heads are not "normal" size, either SAE (our regular
"inch"
>sizes) nor metric. The sizes marked on the tools tend to be related to the
>diameter of the bolt shaft, not the size of the head. BA, BSF and BSW are
other
>terms you may see.
>
>If you have trouble finding a wrench to fit properly on the jet adjusting
nut
>of your SU carb, it's because it's a Whitworth size.
>
>THere's more on the team.net web:
>http://www.team.net/sol/tech/whitworth-hist.html and
>http://www.team.net/sol/tech/SpannerSize.html
>
> --berry
>
>Berry Kercheval :: kerch@parc.xerox.com :: Xerox Palo Alto Research Center
>
>
>
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