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KELP IS ON THE WAY: How American Kelp Helped Save the English Explosives Industry in World War I

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    Dr. Andrea Dragon          Each of the  hundreds of  millions of shells Great Britain fired from thousands of field guns, howitzers and mortars during World War I contained two explosives: cordite, a kind of nitrocellulose (what Americans call smokeless powder) to propel the shell out of the artillery piece and send it flying toward the target, and TNT, the shell's high explosive payload to blow up the target on impact.   In the early months of the war, the demand for cordite far exceeded the manufacturing capacity of Great Britain's explosives factories.  To meet production demands, in October, 1914, the British Army contacted representatives from DuPont and its 1912 spinoff Hercules, who were the leaders of New Jersey's established explosives industry, and signed agreements with them to produce nitrocellulose and cordite, load it and TNT into shells, and ship them from New Jersey ports to the Western Front....

New Jersey Artillery Explosives Production in World War I

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Written by Andrea Dragon, Ph.D. Dr. Dragon investigates and writes about New Jersey's industrial history. Professor Dragon will be teaching a continuing education course on "New Jersey's Explosives History" at Rutgers - New Brunswick on October 8, 2025. See details at the end of this essay.   1914:  World War I Breaks Out   Russia started to modernize its army in 1913, with substantial French financial and weapons support. The beginning of a five-year plan, one of the main goals was to expand artillery to catch up with Germany. But war broke out.    After the first four months of the war, all combatants realized they were in for a long war with deadly modern weapons. Every country’s strategy of a quick victory through offensive warfare failed. Germany did not defeat France and England in the west, and the Russian offensive against Germany in the east ended in disaster. The result was four years of trench warfare in the west and three years of large-scale bu...