Hi Stig,
Thanks for all those. I'm having one of those head slapping moments with the 'Sorel' Doh! The Lance Torpilles intriguing isn't it. It actually does appear to be the name, though it certainly can't describe the function
Here's another link:
http://lapatatesacreedumachupichu.bl...-mai-1912.html
Regards,
Clint