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Zyklon B labels frae Dachau concentration camp uised as evidence at the Nuremberg trials. The first an third panels conteen manufacturer information an the buist name. The centre panel reads "Pushion Gas! Cyanide preparation tae be opened an uised anerly bi trained personnel".

Zyklon B (German pronunciation: [tsykloːn ˈbeː]; anglicised or translatit Cyclone B) wis the trade name o a cyanide-based pesticide inventit in Germany in the early 1920s. It conseested o hydrogen cyanide (prussic acid), as well as a cautionary ee irritant an ane o several adsorbents such as diatomaceous yird. The product is infamous for its uise bi Nazi Germany during the Holocaust tae murther approximately ane million fowk in gas chaumers installed at Auschwitz-Birkenau, Majdanek, an ither extermination camps.