Ammareal reverse jusqu'� 15% du prix net de cet article � des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Good. Ammareal gives back up to 15% of this item's net price to charity organizations.

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Bibliographic Details

Title: Modern Guns and Smokeless Powder (Classic Reprint)
Publisher: Forgotten Books
Publication Date: 2018
Language: English
ISBN 10: 1332229395
ISBN 13: 9781332229390
Binding: Softcover
Condition: Bon

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Excerpt from Modern Guns and Smokeless Powder

Gunpowder, the oldest of all explosives, has been the subject of many scientific investigations, sup ported by innumerable experiments; but Nature guards her secrets well; and to this day it cannot be said that the cycle of chemical changes brought about by the combustion of gunpowder is thoroughly understood. Its original components vary, but are generally about 75 parts potassium nitrate, 15 parts carbon, and IO parts sulphur, with other ingredients some times added. These materials, when simply mixed together, burn with considerable vigour, but cannot rank as an explosive until they have been thoroughly incorporated, so that the different molecules are brought into such close proximity that each finds a neighbour ready and willing to combine on the smallest encouragement.

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English below. Ammareal est une librairie professionnelle sp�cialis�e dans le livre d?occasion. Nous exp�dions partout dans le monde. Nous avons plus de 250 000 ouvrages en stock dont un grand nombre de livres techniques et acad�miques. Nous reversons jusqu?� 15% du prix de vente de chaque livre � des organisations caritatives, des biblioth�ques et des associations luttant contre l?illettrisme. Ce que nous ne vendons pas nous le donnons, ce que nous ne donnons pas nous le recyclons. Ammareal is a professional bookseller speciliazed in used books. We ship worldwide. We have more than 250 000 books in stock, including a large number of technical and university-level books. We give back up to 15% of the price of each book to charities, libraries and organizations fighting in favor of literacy. What we do not sell, we give, what we do not give we recycle.

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