Can't remember if it was this forum where someone was looking for the Radco "Vintage etc".. book, but I've found a link to it here:

http://www.ajs-matchless.nl/techniek/The%20vintage%20motorcyclist%20workshop/The-Vintage-Motorcyclists-Workshop.pdf

Probably not 100% legal due to copyright etc.
Er..8.5Mb so may take a minute to download
Cheers
Pete

email (option): petercomley@web.de

there is a lot of good information in this pdf