Explosives . han about 1in 65 : they should be free from sharp turns and from all inequalities in whichnitro-glycerine can lodge. At the Royal Gunpowder Factory they are joinedby butt-welding, as this gives a much smoother surface than lap-welding. Inorder to prevent the nitro-glycerine from freezing in cold weather, the gutter 22 s EXPLOSIVES connecting the nitrating house with the washing house is provided with an outer jacket {?(( section in Fig. 43), and warm water is circulated in this whenthe outside temperature is low. The gutter is protected by means of a canvascovering fixed along one
Explosives . han about 1in 65 : they should be free from sharp turns and from all inequalities in whichnitro-glycerine can lodge. At the Royal Gunpowder Factory they are joinedby butt-welding, as this gives a much smoother surface than lap-welding. Inorder to prevent the nitro-glycerine from freezing in cold weather, the gutter 22 s EXPLOSIVES connecting the nitrating house with the washing house is provided with an outer jacket {?(( section in Fig. 43), and warm water is circulated in this whenthe outside temperature is low. The gutter is protected by means of a canvascovering fixed along one edge and laced down on the other, so that it can easilybe turned hack for cleaning purposes. After a charge has been run down. the gutter is wiped along its whole Length with a flannel in the direction ofthe washing house to remove any traces of nit ro-idycerine. When the riitro-glycerine has been mixed with sufficient gun-cotton or absorbent material to render it non-liquid it is comparatively Fig. I1. European Nitro-glycerine Hills. Forcite Works al Baelen-Wezel(From Fahicalion des Explosifs, Brussels, 1909) Mixed material for the manufacture of cordite lias been transported invery large quantities over considerable distances without mishap. Whenthe nitro-glycerine factory at Waltham Abbey, near London, was destroyedby an explosion on May 7, 18!)4. supplies were obtained from the Nobel Factoryat Ardeer, in Scotland, in this state until a new factory was built, (bin-cotton in the wet state was sent from Waltham Abbey to Ardeer, and wasthere diied and mixed with the requisite quantity of nitro-glycerine andreturned by sea, and so the manufacture of cordite at Waltham Abbey wasnot brought to a standstill. Similarly, when the nitrating house at Curtissand Earveys works at Chile, in Kent, was blown up on February is, l(.:i>4, gun-col ton was sent from there to Waltham Abbey, and was there converted into mixed material and sent hack. Messrs. Curtise and Harvey were
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Keywords: ., bookcentury1900, bookdecade1910, bookidexp, booksubjectexplosives
