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" The case is different with gas shells. The gas shells are the most important of all methods of using gas on the Western Front, and are still in course of development. The enemy started using them soon after the first cloud attack. He began with the celebrated... "
Journal of the Washington Academy of Sciences - 55. lappuse
autors: Washington Academy of Sciences (Washington, D.C.) - 1918
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Journal of the Chemical Society, 114. sējums,1. daļa

Chemical Society (Great Britain) - 1918 - 592 lapas
...being followed by the use of phosgene [carbonyl chloride]. In gas shells, various substances were used. The original "tear" shells contained almost pure xylyl bromide or benzyl bromide, but some of the shells were rendered almost inactive by the presence of 20% of the dibromide. Later,...
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The Mining Magazine, 18. sējums

1918 - 414 lapas
...There are so many conditions that have to be fulfilled in connection with it that its use is limited. The case is different with gas shells. The gas shells...the higher fractions of coal-tar distillates. The Germans started using highly poisonous shells at the Somme in 1916. The substance used was trichloromethyl-chloroformat...
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The American Review of Reviews, 57. sējums

Albert Shaw - 1918 - 862 lapas
...the early attacks was replaced by phosgene, and the concentration of the latter steadily increased. As regards the future of the gas cloud it may be looked...the higher fractions of coal-tar distillates. The quantity of gas that can be sent over in shells is small. The average weight in a shell is not more...
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Journal of the Franklin Institute, 185. sējums

1918 - 900 lapas
...gas on the Western Front, and are still in course of development. The first use of this method was with the celebrated " tear " shells. A concentration...brominating the higher fractions of coal-tar distillates. Another substance used in shells which simultaneously harasses and seriously injures is dichloro-diethylsulfide...
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The American Review of Reviews, 57. sējums

Albert Shaw - 1918 - 688 lapas
...the celebrated "tear" shells. A concentration of one part in a million of some of these lachryraators makes the eyes water severely. The original tear shells...the higher fractions of coal-tar distillates. The quantity of gas that can be sent over in shells is small. The average weight in a shell is not more...
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Occupational Affections of the Skin: Their Prevention and Treatment, with an ...

Robert Prosser White - 1920 - 440 lapas
...131. » "Diseases of the Skin," 1919, p. 86. « Wien. klin. Wochenschr., 1915, vol. xlvii., p. 1273. pure xylyl bromide or benzyl bromide, made by brominating the higher fractions of coal-tar distillates.1 Dichloro-diethylsulphide, (CaH4Cl),S (" mustard gas "), was first used at Ypres in July,...
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The American Review of Reviews, 57. sējums

1918 - 722 lapas
...the early attacks was replaced by phosgene, and the concentration of the latter steadily increased. As regards the future of the gas cloud it may be looked...the higher fractions of coal-tar distillates. The quantity of gas that can be sent over in shells is small. The average weight in a shell is not more...
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Journal of the Franklin Institute, 185. sējums

Franklin Institute (Philadelphia, Pa.) - 1918 - 1018 lapas
...in a million of some of these lachrymators makes the eyes water severely. The original tear shell? contained almost pure xylyl bromide or benzyl bromide,...brominating the higher fractions of coal-tar distillates. Another substance used in shells which simultaneously harasses and seriously injures is dichloro-diethylsulfide...
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