By Tenney L. Davis
The current quantity includes in a single binding the complete contents of quantity I, first released in may well, 1941, and the full contents of quantity II which used to be released in March, 1943. The booklet was once basically for chemists. The writing of it was once began so that a textbook should be on hand for using scholars within the direction in powder and explosives which the writer gave for approximately two decades (nearly each year because the first international struggle) to fourth-year and graduate scholars of chemistry and of chemical engineering on the Massachusetts Institute of Technology.... the purpose of the e-book has been too defined as basically and curiously as attainable and as totally as appeared ecocnomic the modes of habit, either actual and chemical, of explosive elements, even if those modes locate useful software or now not. old fabric has been incorporated the place it was once idea that it contributed to this finish, and has no longer been integrated in other places or for the other cause. it's a incontrovertible fact that an information of the historical past of rules, of folks, or of items produces whatever of an identical sympathetic realizing of them that residing with them and dealing with them does. --- excerpts from book's Preface
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Additional info for Chemistry of Powder and Explosives
Some person taking a quantity of fragrant oil, chemically procured from spices, and mixing it with a liquor procured from salt-petre, discover'd a thing far more powerful than gun-powder itself; and which spontaneously kindles and 5 This is fulminating powder, made, according to Ure's "Dictionary of Chemistry,"' first American edition, Philadelphia, 1821: by triturating in a warm mortar, three parts by weight of nitre, two of carbonate of potash, and one of flowers of sulfur. Its effects, when fused in a ladle, and then set on fire, are very great.
19 sulphur—a greatly superior composition was produced, burning no less than eight and one half times quicker than the best common powder. The substances were intimately ground together, and then melted to a waxy consistence, upon an iron plate of one inch in thickness, heated over a muffled furnace, taking care to knead the mass assiduously, and remove the plate as often as the bottom of the mass became pretty slippery. By the previously melting together of the nitre and carbonate of Potash, a more intimate union of these substances was effected than could possibly be made by mechanical means, or by the slight melting which was admissible in the after process; and by the slight melting of the whole upon a thick iron plate, I was able to conduct the business with facility and safety.
The Austrian army used Ammonpulver, among others, during the first World War, and it is possible that the powder is now, or may be at any time, in use. Gans of Hamburg in 1885 patented21 a powder which contained no sulfur and was made from 40 to 45 per cent potassium nitrate, 35 to 38 per cent ammonium nitrate, and 14 to 22 per cent charcoal. This soon came into use under the name of Amidpulver, and was later improved by decreasing the proportion of potassium nitrate. A typical improved Amidpulver, made from potassium nitrate 14 per cent, ammonium nitrate 37 per cent, and charcoal 49 per cent, gives a flashless discharge when fired in a gun and only a moderate amount of smoke.
Chemistry of Powder and Explosives by Tenney L. Davis