{"newspaper_name": "Mobile register and journal.", "edition": "01", "page": "p2", "byline": ""}
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the same category as pirate. Our merchants and navigators need therefore be particularly alarmed about these three hundred letters of mGrqae.

 RETAINS or MAJOR RINGGoLD AND LIEUT.. CocHRANE.-Du- military honors will be givsa 10. day by the uniform companies o the First Divis lon l.. NJ he flags of the shipping will float hal II Hast, and every other demonstration Of respect dus to the memory of brave met, who fell in the service of their country, will be paid them. Fifteen minutes guns have been ordered to be fired during the time the bodies rsman in the city. We understand thai the committee have deiermieed 10 proceed 10 Mobile to morrow on their route home-lN o. Delta ol Sunday.

 At nine o'clock last evening the remains of Major Rings0ld. and of Lieut.. C.chriae were conveyed from on board the steamship Telegraph to he rolun da Of the St. Louis Exchange. by detachment of the Battalion of Artillery. The room is craped over, and during the day military guard will be in al. tendance. The place wall be open to the admission of citizens: the gallery sf the rotunda, entrance through he ball room. will be reserved for the ladies On Monday. the remains Of lhsse lamented officers will be escorted 10 the Ponlcharlrain depot by milf tary and civic procession --l Dolta.

 GUN CoTToN-No chemical discovery has ex : cited 50 much interest generally, as NJ. Schonbens account of this inhammable compound and ibe sup posed changes II may cause, m it's application, AS | substitute for gunpewder. M. SchonbeiD is a, the nreeeHt msfneUt, an applicant TOT this country Ter lhe manuiacture, while processes have hsen published Europe ana here, for obtain ing A similar subst,nce. NJ. Otto, indignant at the course pursued by M. SchoHbein m sinking hIs pub lie scientific character by selling 10 the highest bid der hiH discovery as secret. instituted experiments which resulted in the discovery of mode of produc ,ion which he published. Partial details of his pro- have appeared in our papers, but no full direc tions have yet been gwen for preparing the true Gun Cotton Ii is proper and just that this dscove- " should be open to all nations. and become ths subject of competition among manufacturers. that the advantages of this substitute may be fsy learn ed. an indebted 10 Aptlrop Gould. Esq ofthis city, who is residing at Berlin, for the Eurs- pean intelligence respecting ii, and to J. K. Tesche mocher. Esq, for accounts from England. Ouo's process published was imperfect. nasmuch as the acid used was not described; and neither time nor temperature stated. The tuning Ntric Nitrous Acid was used by him, and only thirty seconds time allowed for action 10 be completed. This would not often be the result and takes place only with the very volatile acid frat obtained by dislillation. Dr. waach,er modified this process by us'ng mixture of the strongest nitric and sulphurc acIds, two parts | of tho latter to one of the former by wslght

 In England the principle which tho manufacture is based also discovered, and equal weights of the two acids are prescribed Experiments which I made here, indicated that ihe mixture of the i've | acids gave certainty to the operation, and the Gun Cotton produced few hours before the accounts of success elsewhere had reached me. The Drincips

 s the exposure ofcotton brous substances having

 he composition of woody fibre the action of nitric acid. under cIrcumslances allowing the elements of water in the cotton, to be exchanged for oxygen and | nitrogen from the nitric acid. It will be at once seen that ihe explosion compound has nearly the same composition gunpowder. If the base of the nitre aud the sulphur ingredient of tho latter be omitted In the Gun Gotten. however, the fixed or earthly ingredients have been all dissolved out and

 the on, base is hydra carbon, which is entirely con sumed. Ia the best prepared cotton not the slight est smoke or resisue remains after lhe nfama,ion | Mr. Teschemacher, of London, has found that the | cotton becomes more than one half heavier m the manufacture. The following is the process devised | here: Cotton which has been carefully dried, must be picked free from dirt and knots, and extended in Rocks-Niric Acid SD. Or. 145 to 1.50. part; | Sulphuric Acid (Ol VilrioD SD Or. 65, two and nne-half parts. Mix the acids in a current of air for removing the dense fumes, and dip and stir the at first will be l25e F.. and it should be maintained as high during the operation. Aher the lapse of thirty or forty minutes, press the soaked cotton be- tween glass plates, firmly; immerse them in abun- dance of cold water, and the ocks apart so as vy rapidly wash out the greater part of rhe acid The hocks must then bo washed in different waters till every trace of acid is removed md dried in free air below PIP deg. The same quantity of acid will answer for successive iocks, till half consumed. In my trials some cotton left six hours in the strongest acid and the product was excellent. In Berlin. t has been fouRd that cottsn which has bees twice dipped and twice tried, usiHg the strongest acids, acquires the properties highly that it be- comes 36 times stronger than an equal weight of gunpowder A. A. HAYS,

 Boston Daily Adv. Roxbury Laboratory.