URL: https://digitalcollections.hoover.org/objects/40265 Collection Structure Poster collection > ... The most effective incendiary bomb made so far is the magnesium bomb. ... But, with prompt action and simple tools, a magnesium bomb can be quenched! Item Title ... The most effective incendiary bomb made so far is the magnesium bomb. ... But, with prompt action and simple tools, a magnesium bomb can be quenched! Collection Title Poster collection Issuing Body United States. Office of Civilian Defense Date Created February 10, 1942 Description Small drawings illustrating the action of magnesium fire bombs. Subject(s) Safety measures Gases, Asphyxiating and poisonous War use Air defenses, Civil Bomb reconnaissance Civil defense Chemical warfare Incendiary bombs World War, 1939-1945 Social aspects United States Language(s) English Country of Origin United States Country of Origin United States Dimensions Overall: 29 x 22 in. (73.7 x 55.9 cm) Format Poster Medium political posters Color color Color color Hoover ID Poster US 6509 Record Number XX343.30641 Collection Guide https://oac.cdlib.org/findaid/ark:/13030/kt829015km Rights This work may be protected by copyright laws and is provided for educational and research purposes only. Any infringing use may be subject to disciplinary action and/or civil or criminal liability as provided by law. If you believe you are the rights holder and object to Hoover's use of this work, please contact the Hoover Institution Library & Archives.