I would like to thank the previous donors who have given an average of €9 each:
Julian, Jesse, Henri, Max
This ad-free website is purely privately created and maintained. The site can be reached at these addresses:
www.roentgenoptik.de, www.röntgenoptik.com, www.röntgenoptik.de, www.x-ray-optics.com, www.x-ray-optics.de, www.x-ray-optics.eu, www.x-ray-optics.org
I pay the resulting fees privately, over 920 euros until 12/2023, whereby small revenues from the Verwertungsgesellschaft Wort (VGWort) are already included:
If you have enjoyed or even benefited from these pages, I would appreciate it if you could donate via PayPal (or contact me directly) to help cover the fees: