. Wilhelm Heitmann had a nail-smithy, a little manufactory where special nails were produced. A high demand for them came from the industrial Ruhr region.
in 1917, few months before his death, survived the decades and can be read and looked at.
For his whole lifetime Wilhelm Heitmann never entered a boat. He said: &dbquo;water has no timbers“. He owned a "high-bike" and, together with a friend and neighbour, invented a