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Scientific American, Vol. 17, No. 20 (1867) (1867)

leaf 4

An illustration from Scientific American, Vol. 17, No. 20 (1867), 1867, leaf 4
ive and sustaining power are inseparably con- combination with a proportion of oxygen. Nitric acid is the centrifugal force thus generated the alkaline water is wrung nected with the platform. chief coastituent of saltpeter, and a very powerful oxidizer. out. The cotton is then washed in clean… … = — —— The guncotton now undergoes a Whittier & Co., who may be ad- dressed at Roxbury, Mass. most elaborate process of washing. It is absolutely essential to its safety that every par- afterward wrung out in the same way. The final operation a HOW GUN-COTTON IS MADE. decomposition will ultimately…

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