![](https://coimages.sciencemuseumgroup.org.uk/55/897/medium_thumbnail_1959_0212__0001_.jpg)
Copy of German patent, perforated scanning disc
Copy of German patent Specification No. 30105 relating to the invention of the perforated scanning disc by Herr. P Nipkow in 1884
Copy of German patent Specification No. 30105 relating to the invention of the perforated scanning disc by Herr. P Nipkow in 1884