Otto Lilienthal Germany 1896 Glider pioneer Lilienthal Normalsegelapparat Stölln, Havelland, Brandenburg, Germany wing stall Lin Biao China 1971 Military...
159 KB (2,557 words) - 16:51, 22 May 2024
Steinebach/Sieg, Bindweide Pit Saxony Annaberg-Buchholz, Markus Röhling Stolln, 600 mm (1 ft 11+5⁄8 in) Ehrenfriedersdorf, Sauberg (underground section...
47 KB (5,798 words) - 16:07, 15 January 2024
mine Frohnauer Hammer Technology Museum Markus Röhling Stolln Visitor Mine, Frohnau Dorothea-Stolln Visitor Mine, Cunersdorf Experience Museum Manufaktur...
32 KB (2,768 words) - 19:30, 22 June 2023