There are plenty of resources for the Curta just a Google search away. Especially scans of the original manuals can be found. Try this one here: http://www.curt

There are plenty of resources for the Curta just a Google search away. Especially scans of the original manuals can be found. Try this one here: http://www.curta.de/kr34/ http://www.curta.de/kr34/