Pedzisa mutsara unotevera: Jonas Patrik Ljungström's multiple technical innovations contributed and earned rewards among others at the General Industrial Exposition of Stockholm (1866), the
General Art and Industrial Exposition yeStockholm (1897), Exposition Universelle (1878), Exposition Universelle (1900), Brussels Geographic Conference (1876), Centennial Exposition muPhiladelphia (1876), uye World's Columbian Exposition muChicago (1893). Paaiva muPhiladelphia muna 1876 akasangana nemufizikisi wekuSweden Salomon August Andrée uyo akaramba ari shamwari yemhuri kusvika parufu rwake, achidzidzisa vanakomana vaLjungström Birger naFredrik mune zvefizikisi.