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Show riSTIItllUX MdllT. E01II. IKTIIIiaTINU lCXPCIllllt-j'Ta IIAIIU WITH llkCTKICm. (f tllaifrAla -nwJ rhlladclphla telintlita are nreparlug to find out how fait an elcctrlo current travels. An experiment will be made, I tob-tbly from the I'rankllu I intitule, by couneitlout ovi r the Atlantic cal lo to l,lveriol and return. A ricent teat ol ieared to show that auclcitrlo current la a slow coach at lompared to light, being only able to giloaer to Ktiroi) and Inck In tome thing like a eicond, orntlhe rateof only tome 4Qt),nuO rallia n minute, Vihlln the light aiubltn alou, at a gall ofl.OiXJ.UOUmllriamlnulc. Tltol'hlla ileli hlatclentlit. v lio am propoilng to inakii furtlitr Invettlgellon. are not .stlilled toglvo up the record to tun light, and horo to 1 rovo that tho elcc. trical current. If not handicapped, la the i liter iliuient. The moat recent experiment waa tried at McUI'.l Colli go, Moutrial. 'Iho current wai transmitted In Montreal, wat trantferred to the cable at thu Newfoundland cablettatlon by meant of ihomiHiou's mirror gtlrauoinettr, itntacrotatotho ititlou at l.ticrjiool, and returned to Montreal by the samo lutthod. The dUlaucotravinid partly by ovi rhead v. Iro a ud parti) by lalle, wat 8,1X10 miles. From tho tlmo Iho current left tU" key In Montreal until It returned to the receiver In the sumo otllce, Jutt oiieetcond aud uue-twtti-tleth of a ncoud had clapttd, and thu couJItlom were not fli cootl na they mtittit liavo U-on; henco the further eXM-rlmetit to I o mm! livrc. Tlie r& Idlty with which the current (ravel over abort wlrea wllh Mo delay Indicated utillml.til ifalblllttea In the (Unction of i rnctlcAl It uta. Prof.Marka , of tlio Ii-ll-oueK-ctrtollclitioruUny.il authority for tha nMwrtlon that It the Bint waa encircled with acontlnuoua cable, n current would Iravol tliopn-llrtf tliopn-llrtf dUtanco In ft llttlo over thrrtt ftroonda. At llilaratunctirrtnt would tranl to thti nun, cororltiR the dtitatirii ofHU-eO.OOiinllcr, Ititbreonndalialf njlnutta, or twlro aa fact a light |
