Sorry for my short replies...but I'm dealing with my coming-amd-going memory, and to remember where those pics came from it's the 1rst part of the problem...I've got to find the site again to give a decent answer, couse I've not my database with me! :(The url you gave just above.
Is it the Kamm's experimental 1939 K-Wagen (Mercedes-Benz 170V)?I'd like a bit more development, you are essentially there though, a little digging is all that's required.
No need to yell, Mr. HoffmannWHAT?? You'll have to speak up!
It should be merged: http://www.autopuzzles.com/forum/index.php?topic=5917