Show unexpected finda A graham coll boil tho the inventor of ilia alio telephone fore oro the american Aiu association lis lia now faven tion tho by bawbell which inena mea igoa aro are gh tho ho agency of electricity and light an bal without tho ilia 1110 ot of wires arho is ia with a hii bi maa spiral circuit a telephone nuil anti battery bit try the ilio light is ia hamod through tin in ia an opaque screen consisting or of ft a circular cir calar disk diak pierced bolea noor near the birou in florenco fo renco upon rapidly to ro ilide l the ibo disk au an beum beam ot of light falls dolln upon ilia solo solonia niu ada ad a musical tono its ia produced from lit hio tela phone tile the pitch patch of which depends depe aila upon tho ilia rapidity of tho the rotation of tile disk it wai atry in orilar ord 6 to to I 1 a reduce tho the idea to pra to devise an ap I 1 0 a lou lo operated ly by the voice ID of f a by which v nations could coald bo be ceJ to la a parallel parallel par illel boica of 0 light corresponding to the ibs variations in tho the air produced by tile tho voice A largo large beam is in therefore concentrator by mean luc ansof q of a loos upon the in I 1 mirror aul ud utter after reflection its aga in ren dorod lel 1 by mccaus of adother 1 la tho the beam is i at a distant upon a parabolic bolio reile cor in the focus of which lich is in phloyd loel a sensitive 1 polonium ool cell connected in it a local circuit with a battery an ical d to ephano A largo large number of successful rials hova have been majo maito witti with tho the instrument so 0 o far apart that rounda conail u nol I 1 bo be ioard board ilir dirc colly otly through thu the air |