The Bombshell in SHEFFIELD WAR YEARS AND THE SHEFFIELD BLITZ Posted January 5, 2016 I am currently undertaking my Mres in history at Sheffield Hallam University. My research is on The Bombshell which was the in-house journal for the NPF at Templeborough until 1919 when it continued at teh Norfolk Works of Thos Firth & Sons. I am trying to locate any other in-house journals of NPF and I am seeming to draw a blank. I was wondering if anybody had further information? I have found the following information regarding a possible 2 links but cannot seem to find any more information out; http://1914-1918.invisionzone.com/forums/index.php?showtopic=35364 Any help would be greatly appreciated. Thank you.