File:Explosives (1917) (14779762995).jpg

Identifier: explosives01mars (find matches)
Title: Explosives
Year: 1917 (1910s)
Authors: Marshall, Arthur, 1873-
Subjects: Explosives
Publisher: Philadelphia, P. Blakiston, 1917
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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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 thus MANUFACTURE OF NITROGLYCERINE 229 enabled to carry out their Government contract for cordite, which was urgentlyrequired for the South African War. The Diineberg Factory, near Hamburg,which makes the nitro-glycerine smokeless powder for the Germany Navy,obtains all its mixed material from the neighbouring dynamite works atKrummel, which was the first uitro-glycerine factory erected by Nobel outsideSweden. Nitro-gylcerine factories are often built on rising ground in order to pro- Location o • f&ctorv vide a fall from each house to the next without having to make the nitrating
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Fig. 50. American Nitro-glycerine Hill. Haskell, U.S.(From Apphtons Magazine) house of great height. With the nitrator-separator, however, the differenceof level between the top of the nitrator and the bottom of the wash-watersettling tank need not be more than 10 feet, which can easily be providedfor on a flat site. One great disadvantage of placing a nitro-glycerine factoryon the top of a hill is that it is very likely to be struck by lightning, and ifthat occurs it does not seem thai any system of lightning conductors, howevercomplete, will prevent the explosion of the nitro-glycerine and the conse-quent total destruction of the building. There have been numerous casesof such catastrophes in Germany and South Africa. In consequence ofthis the danger buildings of the Hoppecke dynamite factory have been 230 EXPLOSIVES Air supply. Thunder-storms. Limit boards. built underground in a hill, and Bichel has put forward similar proposals.1 That part of the works in which are situated the b

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