Talk:Franz Krull Sk class

"First and only Estonian steam locomotive"
I just removed the unsourced claim that this is the only Estonian steam locomotive. According to Kurt Niederer, there were several other classes of Franz Krull-built steam locomotives. The way I understand his comments, the Sk class may indeed have been the first, but I'd like to see a source for that, too. Huon (talk) 22:16, 12 May 2014 (UTC)