Vernielingen met springstof. VS 5-77 Anfertigen der Munition des langen 21 cm Mörsers mit vereinfachter Unterlafette : vom 20.8.42 Poudres de guerre Regulation for Army Ordnance Services. Pamphlet no. 5. Part 7. Instructions for dealing with defects in ammunition and for reporting on accidents with ammunition and …
