Show chronological history of the Eloc electric trie telegraph r 1726 G an engli englishman hman named wood discover ey 63 that the el cirie cirse fluid could bo be conducted lorg dist distances dietlE ances arces ces hv by wired 1746 herr winkler of leipsic discharged dischar discher ged a lyden layden L jar by a friction machine through adire of considerable length she the alvr fleis els eis forming forni arg part of hi I 1 circuit 1747 D df watson made a successful expert ment of a similar character over a space ot of four mile mlle at shooters hill hili near london his circuit of two miles of wire arid and an all equal distance of grot ind ird A writer in 16 the tile philosophical 1 transactions avol voi vol xiv 1843 nives rives him the tile credit of having bell beil b bren breu ell eti th first to auget the application of br r to tn telegraphic pil poses oges oses 1748 dr franklin set fire to spirits by an el current seit across the schuylkill oil on a wire all ail and hallowed till ifil owed it to return by the river and earth 1774 bi lesage lebdge of geneva constructed an electric tel graph twenty four wire wires each properly anid aud at one ore eu d m a piti asu whew when 1 0 th y and of either elther was put into communication with the j prime conductor of an electrical machine the he ball was repelled and arid a corresponding letter thus iu in 1784 M lomond of france communicated telegraph signals to a neighboring room by means of a potato ball electrometer acted upon by electricity tri trl city BI baiser I 1 laminated lumina ted letters upon plate elate glass forand dormi d of foil by means of electric aorl 1795 ia M cavalo davalo proposed to form an electric telegraph by firing a gis pistol at the distant end of a wire and thus to give signal AL savary attributes the first idea of all an electric to dr franklin i 1798 established a telegraph between madrid dand daud nid aranjuez a distance of twenty six s miles through which a current of electricity wag was passed arid and gave signals for letters 1809 erm ng corst coasts acted the first galvanic telegraph at munich which by the tile decomposition of water arid and which he be also caused to 10 ring a bell dell ai at the opposite erid of the wire soe me rings was tile hie filst fist dc composing or chemical fele Iele telegraph elegia graph ph aar bar bud and call can be even now successfully but les rap ran div worked than bains G dr johh john philadelphia proposed pio plo posed to establish an electric telegraph and to make signal sat a it ds distance tance b by the file decomposition of water w a ter a and aud I 1 d metallic salts CA causing a change in color to easue ensue 1819 proffesor profesor son sor r ersiel Ver sted of copenhagen discovered elect ro magnetism or electro ma hectic motion i M Ani ampere pere of france discovered the elect electromagnetic electro ro magnetic telegraph thi he constructed of as many wires ires as chere there wei wet were e letterst letters letter sj and arid used the defection ciron of the needle as a signal he broke and renewed the he circuits by finger keys some milar similar ti to thoe of the keas of a pianoforte 1823 francis ronald honald of england proposed a it telegraph by the use of frictional ele eie electricity in his arrangements biere were hecks decks at the stations station sah which ich kept time w ith each erch other and which were with a light dic of cyphers in place of hanis hands having twenty different sins signs towards their J circumference Atthe at the moment the proper signs si agns gns at ibeal ube ubo di c e passed before the index at one station the paik was di charged and an electrometer placed at the theother other discharged and aud caused the fhe signs on the tile disc disc di sc ic at the other to denoted be noted abi telegraph stated to have tended extended es to hammersmith eight miles and to have used the discharge of a gas pol poi p toi toa ol afi api osan asan un alarm 1825 mr air barlow birlow of greenwich egl egi england arld made an attempt to 0 o put pat a galvanic telegraph in operation bu but t was baffled by the diminution of flu fluid when he endeavored to transmit it for a great areat dist aiice drice so aa as to produce mechanical this difficulty the discoveries of henry however after afterward warda overcame in the same earne year mr sturgeon of england construct constructed ea tile llie first electromagnet electro ma magnet net by coi col loe log a copper wire round a piece of iron of a horie horse shoe form tile tiie brnt brut turns of be the wire being eo so far apart as to prevent nt contact ha found that wilen the tire elet el et ic fluid pa paced ged sed through this coil the be enclosed iriri became a magnet and was again ed in break breaking lif the current the wires were afterwards coat coated e with non conducting substances and wrapped around tile the iron in ili close conti contact ct as we now see seo them 1826 1626 mr harrison herrion gray dvar erected a telegraph on long island in new york ile he used frictional electricity and dyed marks on che cally caily prepared paper by bv the of sparks 1831 prof prof joseph henry of princetown Prince town COI college discovered a method of forming magnets of intensity and of quality produce produced a aiom i dt dent batteries and by the use of which with relay migu magu magnets ets ac prepared by him be he made known 1 the lie tie practicability of producing mechanical cal cai effect effects sat at a great gleat distance say from cooj to 2000 miles 1832 baron biron schilling lihz of st petersburg gill girl contrived a deflective magnetic in cne benetic ene tic telegraph which bad an alarm bell connected with avith it 1833 gauss and weber first constructed ard s simplified m electromagnetic electro iro tro magnetic telegraph jt was gauss who first employed the incitement of induction inaction d and who demonstrated that the i ate ale combination of a number of signs is all that is iss required for the the tho transmission of weber discovered that a copper wire wire feet kocg which he carried over the houses and church charch stee steeples pigs plis of gottingen rottingen Got from tile the observatory to tile tiie i cabinet of natural philosophy r required no ial this was an oil important point of discovery dis diE covery in the construction of telegraph lles iles IL es and arid it is made available avail aLle able to the present time ti kle kie 1837 Stien hiel constructed and put to use rise be munich and boren BoZen bodenhausen hausen in the tiie july jalof of tah year his llis regi registering electromagnetic electro magnetic telegraph 9 by the deflection of a needle he produced dots or short marks on fillets of paper to stand as signals for letter letters paper being drawn forward by clockwork clock work in pi ali ail all an endless slip of ribbon on oil the ish of june of this same year the deflective tive electro telegraph of cook and aud ivae was wab patented in england they first employed receiving ing andreae and relay reay magnets in the october fol tol lowing following samuel F B morge of new nev york entered his ins first caveat for au all american electromagnetic electro magnetic ti telegraph in which be r chiefly fly rel rei relied ledon on a kind kindor of type and port rule ruie for ulal niel fiig 1119 kilsby by lie the rile mechanical dil ell a iii ili cal cai force of electro magn rn magnetic m elic morse claimed that hat he hecim first thought of a magnetic telegraph on his passage t to 0 the united states jn in tb tha brig brg sully in the 14 year 1 qa 31 2 1838 edward davv davy of london bad his PP tent sealed for a chemical te was enrolled jan fth 1839 in ids Hs plan he employed chemically prepared paper similar in its general character t to 0 that used on the instrument of bain 1846 alexander bain bun obtained his english patent for iiii llly hi improved electrochemical electro chemical telegraph and gol got his american patent in 1849 1848 1818 49 royal E house of new york ob ait alt alu diu conj rl giop wbk mr ur 11 bretta re tt a patent for his ingenious and valuable printing electris telegraph 1848 IM Aless bless biess rg zook barnes of cincinnati invented a modification for the electro magnelia telegraph by combining fixed magnets magners with tho tha use of electromagnets electro magnets mr dir horn of new york invented his bis igni igniting lino ling telegraph which made dots arid and lines iines by barnin burning brrning I 1 them thiem on slips of revolving paper by the he heat of the electric fluid while passing about the same time mr Johnon Jo huon of new york contrived a machine worked b by y electro fl electromagnetism ectro to let that drop on oil to sapi of paper which being prepared at tile the same sama moment left viable marks which stoob as signs sins for letters also about the same time lime mr daniel davo davy of boston prepared an axial telegraph which with that of horn johnson does not seem to hava have met with much attention 1855 mr hughes obtained his patent for hla hia lii ingenious eulous enious and admirably combined printing telegraph which is destined to effects eff ecta ct a revolution in all the existing systems system its superia superiority rity consists in its working re reliably ably on a larger circuit than any instrument previously invented not nut only doea flow it transmit me messages sages with greater rapidity but it has the advant advantage ago of receiving and transmitting fill simultaneously ulta uita y on a circuit of at least leas t five hundred miles performing the work of 0 two ordinary i wires oil on one ft it is also less legs liable to interruption interrupt ion iou from irom atmospheric electricity |