3037574 Example of a detonation device, 1970-79 (b/w photo) by Irish Photographer (20th century); National Army Museum, London; (add.info.: Photograph, one of 3, showing examples of detonation devices, 1970-1979 (c). From a collection of 15 photographs collected by Sapper G Penman, Royal Engineers, Northern Ireland. ); 穢 National Army Museum ; Irish, out of copyright.