Page:McClure's Magazine v9 n3 to v10 no2.djvu/98

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824
THE GREAT DYNAMITE FACTORY AT ARDEER.

height. Every explosive structure is surrounded by artificial banks, so that in the event of an accident all the others will be protected from concussion or flying fragments. There are three nitroglycerin "hills"; and on the one before you the nitrating-houses, two in number, in which the nitroglycerin is made, stand out in clear relief at the top. They are frail wooden cabins, which were expected by Mr. Nobel when he built them to last six months, but which have not yet been blown to pieces after twenty-five years of constant use. Tunnels through the banks open everywhere. Tramways and lines of pipes on trestles cross each other diversely. This is the "Danger Area," the wide expanse in which the explosives are made and moved about. It is surrounded in an irregular semicircle by fourteen large groups of structures, from which rise fourteen high chimney-stacks. These include the nitric-acid works, acid recovery, ammonia-mill, potash-mill, "guhr"-mill, steam and power houses, box-factories, washing, carding, and bleaching departments for the cotton, pulping-mills, and other contributing industries, connected by steam railway tracks which join the Glasgow line. There are 450 separate structures, now occupying 400 acres out of the 600 owned by the company, which were, when the site was chosen by Mr. Nobel in 1871, a barren waste of sand dunes, stretching for a mile and three-quarters along the sea.

Into this kingdom of high explosives you enter by the courtesy of Mr. C. O. Lundholm, the works manager, under the guidance of the engineer of the works, Mr. E. W. Findlay. The strain upon your nerves begins mildly. Your hair is quite ready to rise, so ready that you can feel it awake and stretch itself at every spot of grease—which may be nitroglycerin—and every stray pinch of cotton—which may be gun-cotton. You now understand for the first time the psychological condition of a shying horse. You go along just as the horse does, with eyes strained at every small object and a lurking predisposition to bolt.

A NITROGLYCERIN "HILL" AT ARDEER.
The nitroglycerin is made in the two houses at the top of the hill, and washed in those immediately beneath. The house in the center is a "drowning-tank," and that at the bottom of the hill is the "final" washing-house. "Every explosive structure is surrounded by artificial banks, so that in the event of an accident all the others will be protected from concussion or flying fragments."

The acid-works are soothing, however. They are quite safe. Nitroglycerin is made from glycerin, the sweetish adjunct of the dressing-table, and nitric acid. The glycerin is bought by hundreds of tons from various sources. In this big barn which you enter the nitric acid is manufactured. In two rows stand fifty-eight