caption: The image shows a page from a book with a drawing of a machine on it. The text on the page reads "Bauverwaltungszeitungszentrum" and there are several parts of the machine visible. The machine appears to be a large, rectangular box with a handle on the top and a spool of thread on the side. The parts are arranged in a circular pattern around the box and the spool is connected to the top of the box. The background of the page is a light blue color.