Part 25 (1/2)

Cordite contains 58 per cent nitro-glycerine, 37 per cent gun-cotton, and 5 per cent vaseline

Ballistite (Italian) consists of equal parts nitro-cellulose and nitro- glycerine, and 1/2 per cent of aniline The Gere of nitro-cellulose

TABLE SHOWING THE HEAT DEVELOPED BY EXPLOSIVES CONTAINING NITRO-GLYCERINE AND NITRO-CELLULOSE IN DIFFERENT PROPORTIONS

______________________________________________________________________ Composition of Explosives | Calories per cent

_____________________________________________|________________________ Nitro-cellulose | | (N = 133 per cent) | Nitro-glycerine | | | 100 per cent dry pulp | 0 | 1061 100 ” gelatinised | 0 | 922 90 ” | 10 per cent | 1044 80 ” | 20 ” | 1159 70 ” | 30 ” | 1267 60 ” | 40 ” | 1347 50 ” | 50 ” | 1410 40 ” | 60 ” | 1467 0 ” | 100 ” | 1652 __________________________|__________________|________________________ | | Nitro-cellulose | | (N=1224 per cent) | Nitro-glycerine | | | 80 per cent | 20 per cent | 1062 60 ” | 40 ” | 1288 50 ” | 50 ” | 1349 40 ” | 60 ” | 1405 | | __________________________|__________________|________________________| Nitro-cellulose | | (N = 133 per cent) | Nitro-glycerine | Vaseline

| | 55 per cent | 40 per cent | 5 per cent 1134 35 ” | 60 ” | 5 ” 1280 __________________________|__________________|________________________

TABLE OF RESULTS OBTAINED BY LIEUT W WALKE, OF THE ARTILLERY, USA, WITH QUINAN'S PRESSURE GAUGE

Nitro-glycerine being taken as 100 (From _US Naval Inst Jour_)

__________________________________________________________________________ | | | | Coth | | | | | Inch | | Explosive gelatine| 0585 | 10617 | hellhoffite | 0585 | 10617 | Nitro-glycerine | 0551 | 10000 | Standard, NG

nobel's slycerine | 0509 | 9237 | Gun-cotton | 0458 | 8312 | US naval torpedo | | | gun-cotton Gun-cotton | 0458 | 8312 | Stowes, NG

Gun-cotton | 0448 | 8131 | Dynamite No 1 | 0448 | 8131 | Dynamite de Traul | 0437 | 7931 | Emmensite | 0429 | 7786 | Amide powder | 0385 | 6987 | Oxonite | 0383 | 6951 | Tonite | 0376 | 6824 | GC 525, and | | | Ba(NO_{3})_{2}, 475 Bellite | 0362 | 6570 | Rack-a-rock | 0340 | 6171 | Atlas powder | 0333 | 6043 | Ammonia dynamite | 0332 | 6025 | Volney's powder No 1 | 0322 | 5844 | Nitrated naphthalene

” No 2 | 0294 | 5318 | ” ”

Melinite | 0280 | 5082 | Picric acid 70, and | | | sol nitro-cotton 30

Silver fulminate | 0277 | 5027 | Mercury | 0275 | 4991 | Mortar powder | 0155 | 2813 | _________________________|_____________|___________|______________________

~Composition of some of the Explosives in Common Use~

~Ordinary Dynauhr 25 ”

~Amvis~

Nitrate of Ammonia 90 per cent

Chloro-di-nitro Benzene 5 ”

Wood Pulp 5 ”

~Ammonia Nitrate Powder~

Nitrate of Ammonia 80 per cent

Chlorate of Potash 5 ”

Nitro-Glucose 10 ”

Coal Tar 5 ”

~Celtite~

Nitro-Glycerine 56-59 parts

Nitro-Cotton 2-35 ”

KNO_{3} 17-21 ”

Wood Meal 8-9 ”

Ammonium Oxalate 11-13 ”

Moisture 05-15 ”

~Atlas Powders~

Sodium Nitrate 20 per cent