Thank you John, I've looked them up on eBay, and there are loads available. Problem solved!
Neil Foddering Weymouth, Dorset, England
> Date: Tue, 6 Oct 2009 12:46:59 -0400
> From: johnb@oxford.net
> To: classicrendezvous@bikelist.org
> Subject: Re: [CR] Measuring bike frame angles
>
> Neil Foddering wrote:
> > I have tried, without success, to measure the frame angles on my 1930s and 40's bikes; does anyone know whether a purpose-made tool is available to do this (preferably idiot-proof)?
> >
> >
> This is what I use: http://busybeetools.ca/
>
> Wixey also makes a similar gauge for about the same price, available all
> over North America.
>
> http://www.wixey.com/
>
> These gauges are small, 2", will fit the head tube of all but the
> smallest frames, and measure within 1/10th of a degree.
>
> It looks like the Wixey is available in the UK for about the same price.
>
> http://www.machine-dro.co.uk/
>
> --
> John Betmanis Woodstock, Ontario Canada