Patentschrift Nr 129472 - Wurster und Seiler in Derendingen-Tübingen -Sägenschärfmaschine (14. Juni 1900) Zeichnung

Patent specification no. 129472 - wurster and seiler in derendingen-tübingen - saw sharpening machine (14 june 1900), see file:patent specification no. 129472 - wurster and seiler in derendingen-tübingen - saw sharpening machine (14 june 1900). Jpg. Date: 1900-06-14, published 1902-03-17.