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Show A MODEM" MARVEL Professor Elhhi Grjj's Teleanto-graph. Teleanto-graph. A DLTA1I.LD 1I Lltil'tlO.V. M riling and lrwlns Itrprodnccd Slniultaucoutly lu Uc-Minle Oitronj-Injtliorlro. Vrofenor r.llli "ray's lolcautograph Iw.a formally exhibited lo the public I josi.rday.BiyaibeOhloiKolVtfunaof 1 Jdaroli ii. Vot tbo flrt time persons i not in Ihu secret performed tli uovcl and alfitiiaoant ct of writing over (bo I wire, llrltfiy caking tb tileautogrnph Is mi Instrument which enablts a person sitting atono end of tho wlro to write a letter that second Instrument at the other end of the lino will produce I simultaneously lu fao-iltnllo. It may I supplant neither tho telephone nor I Ulegrapb, but experts lay It will take I Iti place bcsldo them In universal utility anil hold It. The length of wlru Is considered a matter ofnooju-sequonce. ofnooju-sequonce. Whether tho llnoextunili across a building or aoron n continent It ! believed It will bo equally lorvlce-alls lorvlce-alls and lucoeuful. Tho tuts mado yciterday over a line fourteen mlUalou wcro successful In ovsry rcsjiect, ai the accompanying icproiluctloui of Hi work will show, Tho teleautograpli li a twofold ma-chine ma-chine a trauimltter and a receiver, each contained In a wooden casu aoaio-what aoaio-what smaller than a typewriter ma-chine. ma-chine. The two Initruraenti aro uecisiary atesoli ntllco and stanl ldo by side. A man can lit at a transmit' ter, take an ordinary lead pencil, write n note to a friend, and ilmultaueouily another pencil at a distant nation reproduce! re-produce! Ibe worde In exact fio-ilmlle on anothtr plecu of paper. Thla lecoud Iwncll li not touched by human hand, but la manipulated by cleotrlcal mechanism. That it the long and tho abort cf the teloaulogrnph. To (peak more strictly. In transmit tint wrltlni: on the teleautogruph au ordinary fcod lead pencil Is used, at tho olnt of which ll a small collar with two oyei lu Its rim. To each o HI these eyes a small silk cord Is attached H running of In two directions at right J nnglrs. l.achoftha two halves of this M osrd Is carried around a iniull drum H aupiorted on a vertical shall. Under K the drum and attached to the name sat, shaft li a toothed wheel of Heel, the k tilth of which aro to arranged tbat IM when either section of tho cord m wlndi uiion or oil Itadrum a number of teuth will pan a glvoa pilnt corns-pjndliig corns-pjndliig to tho lonitlh of cord au woun i or unwound. For Iniuinco If the Ifllut ut the psucil ru jvea In tho dlroo-lionet dlroo-lionet one of tho curd" a illstauco uf ouo Iiicii, forty of Hi" teeth will piss any icrtnlti pilnt. l.ach one of these teeth rcr riieuia one Impulie sent upon thellnr, to tint wlieu tlio lunoll describes de-scribes n motion ouo Inch In length, eighty tlectr.cillmnulsts are sent on the 1 1 i.e. Tno receiving Itiitrumint Is pracll-cilly pracll-cilly a dupllctto of thu trsninilltir, th-motlom th-motlom of which, liotv over, uru opef ated by eleclrlctl Inalra I or mrchnul cal means. In tho receiving luitru mint nro two iioiiements upntod hy polarized rolays und m oonsiruutui ttialencli electrluil Impulse reoelvod will allow the iscaemeut wheel to feed forward or backward uno step. Tno cscato whotls aro mountoil ou vertical shafts wbloh carry drums of thu same site at those of ton transmitter. transmit-ter. To these drunn aro attached thu aluminum pen a ms I y nieaue of ujrdt on Hie principle otwli it Is kiuwn In meohanlcs us thu "how-drill." These pen arms are hlngod together at thu writing point. Now, In caso of eighty Impulses bo-Ing bo-Ing rrcelvid, thu eecaiomout will more lorward or backward ilgtaty slept carrying tho drum, tho dlrecthn corresiondlug with that of the Iran. milling pencil, und In this caso tbu motion Imparted to therccelTlug pen will bo une Inch lu length. Two win s aie required to transmit the wrltlug, each of which Is uudir coutrol of ouo of the silk cords, and counects with one of thu cltctrloil tscapements In tho receiving apparatus. 1 he connections connec-tions urn so mviu that, If thu undid? pencil should ilsrt from the center 0! thowrltlnglalenanldocrlbe n linu lo thu right, at an angle ol Udogreta from thu liorlziutal, only tliu right hand escapement at the reoelrlug instrument in-strument would buoperated. if thu aaudlug pencil shoald descrlbo a line at tho same u!o toward the left tho left csoipement at tho receiver would bo Inllueuctd. If thu lino should be a vertical one, both uf tliu Bunding drums would turn u(ually,and as a constquoncu thu rocelvlng cscaio-inenta cscaio-inenta would bu riully alltctuJ, producing pro-ducing a vertical nut. Ill cisu that the sender Uescrlbos a clrclo Willi Ills pencil the receiving drums woul 1 uach bo actud upon exactly as nro tliu lending drums, and the resultaot uf thu two right augle nntloni rop-urly rop-urly adjusted to uach other would bu a circle. And when any arbitrary figure la mido at one on Jul tho line, the same figure Is ofcoursu produced at the other end. Bo accurately accur-ately has this prluolplo been worked out that notunly lihaudnrltlnK trim-mlttod, trim-mlttod, but tbo actual characteristics of the writer'! chlrography nro reproduced re-produced and an abaolutu fac-idtulleol his innsagu Is delivered by the distant receiver. The smill etepj on tho re-oelved re-oelved writing glvoa little roughness to the lines, but they are so iltght as to be hardly uotlcable. Intact, they are at tho most only une-elghtleth of an Inch long. Onuoltho moft remirkthle things abiut thoteleauloriph ll that a per-aou per-aou at the recolMug Imtrument, lelug nmlllir lti thn manntriimiof tho ers jdi at the dlsttuton I, can tell who h about to writ by limply watchlm til" motion fiat Ihu recelvlug pen dt-jcrloes belorn It makes a mark or neu touchnl the piper. Ill every gyratlou U iharamerisilc. The wrltln Is due on ordlmry Whltn piper tlvelliihss Wilt, or the wlJthoi niheet i.f iiolu piper. It li contalueiru n roll plasm unlirthe arm Mil. Afleru lino has hetii wrltteu ttnipincll is bro ight back to tho Irtt Ido of th pa(u, whero It toucheaii until button, an 1 ut tho same tluio thu senior idilfli hit piper by iimvIujii lever wn.i III lull hand, fhu writing Held 1 1, liwuver, largo euoun to admit of so viral lines lie-ItU lie-ItU written U'oro inoviug the piper. lu shifting hit own piper hn aleialilftilliu paper nl thu receiving Imtrunisnt. Trie pou armi attho re-fL'V.t re-fL'V.t uru milo of small aluminum iuIils, wmah liavo tbo alviutaeol rigidity aiil llghtne. rhrougli one uf theso tubes tho lute Is fed, being tondui'cJ ly a nservolr holding about half a gill, by n ll?ht rubber lube. At the point where tho two aluminum tubes Intersect there Is fixed Intothat one containing the Ink nt n small ciplllary glass tube that rests Uon the pair wheu the en li down. Hie point uf this glantulie Is thupon of the ncelvliu Imtruuienl, and Is si constructed that thu Ink will only II iw through when anlitfJ liy tho friction cimed by thupeii lieln; drawn over the pifir, ani when tho on lilllloifroin theptpsr the Ink la retained lu the tuW In raplllary attraction. |
