I do not have checked the pages which link to these internet pages and am not responsible for the contents of other pages (links to other sites), which link to my Internet pages or to which I link. Likewise it behaves with the pages, which copied information from my pages. Also for these pages I am not responsible in any way. Additionally links (hyper+link) or other connection of one of my Internet pages to another Internet page mean not that I endorse or accept contents of this page or still that I carry any responsibility for contents or the use of this page. It is to be guaranteed the user responsibility that each selected contents are free from viruses or the like. The information on my pages is arranged without guarantee - I strive to hold it on the newest status yet it can be that information becomes outdated, incomplete or false. In particular I do not take over adhesion for indirect or directly caused damage. [1.2.2003 jk]
The pictures on these pages are illustrations of Tiangong kaiwu (Chapters "Calcination of stones" and "Five metals"). Un grand merci to Stιphane Vacca.
home: production of black vitriol by heating
symposium: ploughing of ground and gathering iron ingot
workshop: the refining of crude iron and wrought iron
orientation: excavation of coal in the south
impressum: washing iron ore
contact: picture of lead flowing and solidification of silver