URL: https://digitalcollections.hoover.org/objects/40727 Collection Structure Poster collection > Inexcusable! Seven boys were painfully burned ... when an explosion believed to have been caused by blasting powder, shattered the small bonfire around which they were playing. [Verso:] Wilyum Jan says ... Item Title Inexcusable! Seven boys were painfully burned ... when an explosion believed to have been caused by blasting powder, shattered the small bonfire around which they were playing. [Verso:] Wilyum Jan says ... Collection Title Poster collection Issuing Body Hercules Powder Company Date Created 1944 Description Sketch of boys caught in a blast. Double-sided. Subject(s) Safety measures World War, 1939-1945 United States Safety education Industrial safety Explosions Accidents Military aspects Explosives Children's accidents Explosives industry Prevention Industrial accidents Health aspects Economic aspects Language(s) English Country of Origin United States Country of Origin United States Dimensions Overall: 22 x 16 in. (55.9 x 40.6 cm) Format Poster Medium political posters Color black and white Color black and white Hoover ID Poster US 6894 Record Number XX343.31103 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.