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Aro wo on tho ovo oí anoíher gieat rovolutiou 'i Not i orril war, but bui b a roTolutien as resulted froin tlió invention of the locomotiva and thu oloctrio telo graph. Only thirty years ago Professor Mona Was stiuggKng tu get aid fróm Ooniiss to tuake a tnal of his wondsrful ,,.,.ii. And now anothet inrentot has gained permúwion of the goVernment to make. auothcr experiment whioh muy yot beoome aa intereating un ovont iii hittory :;s the triui ;t' tho fumoua eleotrió wito between Baítimoie and Washington. The coming manís Albert Brábans, tbr a timo á resident of Irviugton, and bia tnvention íb a kind of pnoumatio tube, by meiiiis of wliioh time i.u'i sínico aro to ba annihilated. His unreniitting effort suc ceeded in gettintt from Congresa an pprojiriiitioi: oí fifteen thous:ind dollürs for the purpose of laying u tuliu between the capital at Washington imd the governnwnl printin oflice - dUtanoo of huif a inile, and il tho experiment provea satUfaotory, anothoi uppropriation will bo grAiited for the epnstruotion o: a tuba b.I tween Washington iind Baltimore, tbu ground of the ürt telegraphio triuinph. The method of transit will be by hollow tphere, propelled tiiruiifjh tho tubo by uóinpreHed :iít. and somu idea of th volooity with which they cun bo driveu maj be gut from Mr. Brisbane'a prophesythat tho Xew Vork papors will be sent to Chicago and St. Louis in time for the eight o'clock brcakfast tab'ms. Tho general oítablishnieut of thia mode of tranaportntion would be a snd blow to to the ruilróftd lyetem of tho country. An inií:.-diivtc loss of 11 freight tianto would en suo to tho railroads, and thoy, withstearu boats that ply our riviMS, would be conBigned to the insiguiflcanoe of mere pleasurn eZoUEtion party conveyanoe. Athough JIi'. Brisbano's inve;ition hun been achieved on thu basis of an old the ory, he rve uone the less credit in case of succesü, for the man who inost doserves the world's gratitudo is he by whose effprt the world derivos practical b tieöt. Tbc inventor' confidence in tbo reauh, and the genèrally Mknowle fousil ïlity of a practical application of the pneumatic theoryseem topromisesuo' and ït is to be hoped tho coming cxpurimeut muy be. a sntisfactory oue.