had roentgen and UV-pictures made by the photographic institute of Wilhelm Stürmer. The specimen consists of a slab and counterslab, mainly showing a... 137 KB (18,714 words) - 18:34, 7 March 2024 |
Hunsrück Slate (category Paleontology in Germany) of the slate industry caused a decline in fossil research. In 1970, Wilhelm Stürmer, a chemical physicist and radiologist at Siemens, developed a new method... 27 KB (1,506 words) - 20:36, 14 March 2024 |