The following website has quite a bit of information on the marque:
http://homepage.ntlworld.com/
There are links to 1953 and 1954 catalog scans that show the Whirlwind model.
Charlie Young
Honeybrook, PA
> Im sitting here looking at some photos of a Holdsworth Whirlwind
> frameset with serial number 20447. Its available. Its 24.5" -
> yahooooo. How cool is it? What does anyone on the list know of
> this mark? or marque?
>
> Tom Rawson
> Oakland, CA