Braun 1727

source: Techn.Museum Wien; photo: W.Szrek

source: Techn.Museum Wien; photo: W.Szrek

source: Techn.Museum Wien; photo: W.Szrek

source: Techn.Museum Wien; photo: W.Szrek

source: Techn.Museum Wien; photo: W.Szrek

source: N.Baaijens

last updated: 06-Feb-10