- Photovoltaic power generators on top of house roof
Here you find a description of my solar power generators which feed their electric energy into the public mains. Charts and bargraphs of energy results are available on a yearly, monthly and daily basis since begin of operation. . More details
- Private photographs and slides
Out of my collections of photographs and slides a selection with hopefully the most interesting and unique shots are presented here. More information
- Genealogy research in own family
A database with more than 15000 genealogy records of the own family has been created. Limited access to persons who are searching for ancient relatives is available. See here more details.
