Subject: Re: V12 Saloon De Ville with Cotal Gearbox
Is your car, the ex. W.O. Bentley car ?
If it is, have you checked his biography or any materials of his that have survived ?
1. You may want to take a look at this reference, with a fair bit of WO detail :
http://books.google.co.uk/...gearbox.&f=false
You may also want to check with :
2. W O Bentley foundation
3. Also the National Archives, hold some of his papers.
Best of luck !
Simon