URL: https://digitalcollections.hoover.org/objects/40700 Collection Structure Poster collection > ... Be sure of the public's safety before you blast! ... [Verso:] Wilyum Jan says ... Item Title ... Be sure of the public's safety before you blast! ... [Verso:] Wilyum Jan says ... Collection Title Poster collection Artist Chapin Issuing Body Hercules Powder Company Date Created 1939/1940? Description Drawing of a passerby killed by flying debris. Double-sided. Subject(s) Economic aspects Priorities, Industrial World War, 1939-1945 Industrial accidents Safety measures Explosives industry Safety education, Industrial Accidents Military aspects Prevention Industrial safety Manpower Explosives United States Explosions Language(s) English Country of Origin United States Country of Origin United States Place Published Wilmington, Delaware, United States Dimensions Overall: 22 x 16 in. (55.9 x 40.6 cm) Format Poster Medium political posters Color color Color color Hoover ID Poster US 6869 Record Number XX343.31076 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.