Thanks for the tip - I didn't know about thatWas the Biber midget submarine the one that was "restored " on a tv programme, Salvage Squad I think it was called
I found the programme on YouTube:
http://www.youtube.com/watch?v=tmXsqeWkUoY
http://www.youtube.com/watch?v=8kfpXlSYpSM
http://www.youtube.com/watch?v=pmQgDKl31mE
http://www.youtube.com/watch?v=L-bvaaQ4KMg