The same with me. There is a comprehensive description and history of the Tyler Slide Rule in German language at: https://www.rechenwerkzeug.de/tylerbausa

The same with me. There is a comprehensive description and history of the Tyler Slide Rule in German language at: https://www.rechenwerkzeug.de/tylerbausatz.htm There is also an online simulator and a downloadable kit for making your own Tyler Slide Rule on the same page. A very good review in English language is available here: https://osgalleries.org/journal/pdf_files/9.1/V9.1P23.pdf