Subject: Butters, Lt Cmdr G N. The History and Development of Explosives. Quest, The Journal of the City University, London. No 12 pp 14-18
Description: Butters, Lt Cmdr G N. The History and Development of Explosives. Quest, The Journal of the City University, London. No 12 pp 14-18 - image 2 on p15 - Royal Gunpowder Factory cordite extrusion, circa 1918
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