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Show WIRED MAGIC . . . o The telephone on your tlesh lesh ( , is tvlthm within tvlthmreach withinleach reach leach leachof 0/ 0 of 032,000,000 / 32,000,000 32000000 32,000,000othel 32,000,000other , , othel other trallsnuttel transmitters transmittersWires S SWires Wires cm Cal 1 l y Inclures pictures , nervs news , even 1 1(1(110 11110 1(1(110f 1(1(110N 1(1(110r 1(1(110y 1(1(110i ( ( ( fro f ' 1(1(110K K N L r y i it t , , a > a y , u 1 # r Yr ' ' + dd 4 4Beht 1 4 A 3 ? z d ' a i ix x Beht : d devery every telephone switchboard switchboardis is a confusion of ofwires wires wiresand and andcables cables , each eachserving serving a definite purpose in modern hibh hibhspeed speed speedromrnunication romrnunication pre Prepared Prepare ! by Nat onal Geatr Geeer ph c Society SocietyWashington gl tbn ? vgletY gletY Washington t D C-WNU C WNU C - VtW ServiceI ServiceF Service ServiceDF ; v ; F YOU stand at one end of ofa ofa ofa DF IF I a lootball Iootball football field and shout shoutyour shoutyour your voice will travel to tothe tothe tothe the other end 300 feet away awayin , m in . about one third of a sec second secand second ond and But your voice , travel travel- travelmg traveling traveling - ing mg by telephone would take takeless takeless takeless less than one third of a sec- sec second second sec second - ond to travel all the way wayaround wayaround wayaround around the earthThe earthThe earth earthThe The electrical waves that thatare thatare thatare are created when you speak speakmto speakinto speakinto mto into a telephone transmItter transmItterhave transmitterhave transmitterhave have in m effect increased mcreased the thespeed thespeed thespeed speed of sound nearly 400 000 000tImes 000times 000times 000timesYou tImes tImesYou You can telephone around aroundthe aroundthe aroundthe the world moreover wIthout wIthouteven withouteven withouteven even raising ralsmg your voice whereas It Ittakes ittakes ittakes takes a good loud shout to be heard heardeven heardeven heardeven even the length of a 300 foot fieldToday fieldToday field fieldToday Today however even a man with witha a bad cold can shout across an anocean anocean , ocean and the telephone enables enableshim enableshim ' him to do it with as much power poweras poweras poweras as it If all the millions of people m In the theUmted theUnited theUnited Umted United States were standing standmg on the thebeach thebeach , beach and shouting shoutmg w th himThat himThat him himThat That is the estimated amount of ofpower ofpower ofpower power given to a single smgle human vOice vOiceby voiceby voiceby by the ampi ampl fiers that launch trans transatlantic transatlantic transatlantic atlantic radio telephone conversa tons t ons out on the air overseasEven overseas overseasEven Even though it takes the energy energyof energyof energyof of a nation s lung power to shout shoutacross shoutacross shoutacross across the ocean ears of superhu superhuman superhuman superhuman man keenness are needed to to'heareven toheareven 'hear hear 'heareven ' ' hear heareven even so tremendous a noise when It Itarnves itarrives itarrives arnves arrives For the large amount that thatstarts thatstarts thatstarts starts across the ocean dWindles dWindlesafter dwindlesafter dwindlesafter after traveling travelmg 3000 3 000 miles mlles by ra rad rad rado d 0 o to no more than the energy energythat energythat energythat that would tall fall upon your out outspread outspread outspread spread hands from the north starLong star starLong Long Distance Wooing Woomg WooingA W oomg oomgA A man may whisper into mto a tele telephone telephone telephone phone In Washington Washmgton and be heard heardin In San Francisco From London Londonou Londonlou ) ou may say to a girl in Cleve Cleveland Cleveland Cleveland land Will you marry me'1 me1 me ? ' ' and andhear andhear andhear hear her say Yes as eas ly as If Ifshe ifshe ifshe she sat beside you m In the moonlight moonlightA A suitor in London really did pro pro- propose propose propose - - pose that way to a girl in ill Cleveland Clevelandand Clevelandand Clevelandand and won her too though he had to totalk totalk totalk talk half an hourIRadio hourl hourI hour hourlRadio ! Radio telephone connections from fromthe fromthe fromthe the United Umted States bridge enormous enormousdistances enormousdistances enormousdistances distances The circuit to Austral a afor afor afor for example e'tample etample e'cample ecample ' ' consists of a radio radiochannel radiochannel radiochannel channel across the Atlantic hnked linked hnkedWith linkedwith linkedwith With another anothar anothog from London that thatJumps thatjumps thatjumps Jumps east vard yard to Sydney a dls dos dlstance dostance distance tance of 10 600 milesThe milesThe miles milesThe The longest telephone call you youcould youcould youcould could make from any point pomt in the theUmted theUnited theUnited Umted United States would be from Bay BayCalif BayCalif BayCalif Calif to Adelaide Australia via viaNew viaNew viaNew New York and London about 18000 18000miles 18 000 000miles 000miles miles Business ltsmess by A manufacturer in Ohio tooted h s snew snew snew new two chime automobile automoblle horn hornover hornover hornover over the transatlantic telephone to toa toa toa a prospect ve ye customer in England Englandand Englandand Englandand and landed a big order A buyer buyerfor buyerfor buyerfor for a New York store who never neverhas neverhas neverhas has been outside the Un ted States Statesmakes Statesmakes Statesmakes makes purchases in half a dozen dozenEuropean dozenEuropean dozenEuropean European countries in a smgle single dayIn dayIn day dayIn In the United UDited States most tele tale telephone talephone telephone phone minded mmded of all countr es 85 85000 000 000 telephone conversations take takeplace takeplace takeplace place every day This Tlus Ttus means with withtwo withtwo withtwo two peofle peorle people to each conversat on onthat onthat onthat that the daily dally number of talkers IS ISf'1r isfir isfir f'1r f1r fir ' greater than the nation s popu populatlon population population populationOut latlon lation latlonOut lationOut Out of reach of a telephone IS ISalmost isalmost isalmost almost unheard of in this country countrywith countrywith countrywith with 19 100 000 instruments mstruments or one onefor onefor onefor for every seven people Of a total totalof totalof totalof of 38 000 000 telephones m In the en entire entire entire tire world half are in the Un ledStates ledStatesNew ted tad tedStates tadStates States StatesNew New York city alone has more moretelephones moretelephones moretelephones telephones than all France with a apopulatIOn apopulation apopulation populatIOn of nearly 42 000 000 Chi Chicago Chicago Chlcago cago has more than South AmericaOn AmericaOn America AmericaOn On a round desk at the overseas overseassWitchboard overseasswitchboard overseasswitchboard sWitchboard in New York city are are80 80 telephone directories from nil all nilover allover allover over the world in every well known knownlanguage knownlanguage knownlanguage language but in appearance very verymuch verymuch verymuch much 1 I ke the familiar American Americantelephone Americantelephone Americantelephone telephone book-fat book fat book - tat ones for ( or Lon London London London don Pans Paris Berlin Berhn Tokyo thinner thinnerones thinnerones thinnerones ones tor for Rome Havana Dublin Ma Madrld Madrid Madrid drld drid some such as those of the theNetherlands theNetherlands theNetherlands Netherlands and Switzerland con contammg contaming contaming tammg taming all the telephone numbers numbersof of a nation in a n volume or twoThe twoThe two twoThe The telephone systems of some 70 countries now are connected by WIre WIreor wireor wireor or radio to the telephone m In your yourown yourown yourown own home You can telephone teleprone to toIceland toIceland toIceland Iceland s icy mountains mountams ( but not to toGreer toGreer toGreer Greer land s yet yet ) ) or Ind a s coral coralstrand coralstrand coralstrand strand to Ch Ie le or Costa Rica to toPalest toPalest toPalest Palest ne or Panama or JapanRadio Japan JapanRadio Radio Radro TelephoneBut by Telephone But conversat ons are only part partof partof partof of the traffic tramc the telephone wires wirescarry wirescarry wirescarry carry Few people perhaps hsten listen hstening listenlog listening ing log to nationally broadcast radio radioprograms radioprograms radioprograms programs real ze that a large pro proportion proportion proportion portion of their radio entertainment entertainmentcomes entertainmentcomes entertainmentcomes comes to them over telephone wiresOnly wiresOnly wires wiresOnly Only for a Comparatively few m les lesfrom lesfrom lesfrom from the nearest broadcasting sta statlon station station tlon tion do network programs travel travelthrough travelthrough travelthrough through the air whereas they may mayhave mayhave mayhave have sped nearly 3 000 miles over a atelephone atelephone atelephone telephone wire before taking takmg to the theair theair theair air at allNews allNews all allNews News of nat on ard and world that you youread youread youread read in your favorite newspaper newspaper1 1 ke vise comes over telephone WIrescarr wirescarr wires wirescarr -carr carr - carr ed not by human speech but butby butby butby by electrical impulses unpulses that fiash flash fiashover flashover flashover over the wires and with ghostly un unseen unseen unseen seen fingers type the r message on ona ona ona a keyboardless typewriter at the thereceiving thereceiving ' receiving end more accurately than thanI thanmany thanmany thanmany I many a human stenographer Such SuchIS Suchis Suchis IS the press teletype which dehv dcliv dehvers dclivers dclivers ers news most perishable of all allcomr allcommod allcommod comr commod Od t es instantaneously to tomarket tomarket tomarket market News photographs too are aresent aresent aresent sent over telephone wiresThe wiresThe wires wiresThe The police teletype flashes fiashes news newsof newsof newsof of crime crune over telephonelres telephone \ wires \\lres lres \ to of officers officers offleers ficers of an ent re state and whole wholegroups wholegroups wholegroups groups of states linked in single smgle sys systerns systems systerns terns tems The largest now includes New NewYork NewYork NewYork York New Jersey Connecticut ConnecticutOne Connecticuty y ConnecticutChit Chit t . One modern use llse of oj ojIClres ofwares iciresThe IClres wares IClresThe waresThe The highly luglily sensitive sennllve maclune machine machinethat machinethat that sends pictures across acron the thenation thenation thenation nation in a feic Jew few minutes mmutes bymeans by bymeans bymeans means of oj an all electric eye ichichtransmits Ichlch which Ichlchtransmits whichtransmits transmits light ami awl darkinto dark darl . mto into mtoImpulses intoim intoimpulses Impulses im pulses I Massachusetts Rhode Island Penn Pennsylvania Pennsylvania Pennsylvania sylvania Delaware and OhioFour OhioFour Ohio OhioFour Four men broke into mto alto a Je.elr Jeelr jewelry jewelryshop jewelrjshop . ' shop at Beacon N Y Surprised Surprisedby Surprisedby Surprisedby by local policemen three escapeo escapee escapeoin escapeein escapeein in an automob Ie le head ng toward towardNew towardNew towardNew New York city Alarms were tlashed flashed tlashedover flashedover flashedover over the Westchester county pol poi ce cc ceteletypewriter cteletypewriter ( I teletypewriter system and dnd end to N New NewYork NewYork eYi eYiYork York police pohce Telephonic TdeplwlUc Tiephontc Arrest ' ' Officers all over the county were wereon wereon wereon on the lookout for them tor for th thi thiteletype thiteletype , teletype alarm was relayed to po police police police lice call boxes At Yonkers a coun coup county coupty county ty policeman pohceman saw the bandits and andwaved andwaved andwaved waved them to stop but they opened openedfire openedfare openedfire andI I fire fare on him Pursuing them on hu his humotorcycle hismotorcycle hiimotorcycle motorcycle he forced their car mtc intc mtca intca mtca a ditch and collared one bandit in ina ina ina a hand to hand struggleThe struggleThe struggle struggleThe The other two eluded him urn ! cornmandeercd com corn commandeered cornmandeered mandeered a taxicab and started startedanew startedanew startedanew anew for New York city But the thetaXicab thetaxicab thetaxicab taXicab itsilf Itst.1f Itst1f itst.lf itstlf . . aoon soon . was v.as vas traced tracedthrough tracedthrough tracedthrough through a teletype alarm by Ney Net NetYork NewYork ; York police pollce who killed both banditsAmerica banditsAmerica bandits banditsAmerica America Is the land of blgnesc bignes blgnescand bignesand * ' I and its telephone industry fita fits Inte intc Intethat intcthat intcthat that picture enough telephone wire wireIn wirein wirtin In North America to tie the eartb earth eartbto earthto earthto to the sun 93 000 000 miles away awayand awayand awayand and start us circling Clrclmg around Old So Sol Sollike Sollike ] hke like a pebble on the end of a strmg string strmgInough stringEnough stringEnough Inough Enough : telephone poles in the Unit Umt- Umt Umted United United - ed States to build a solid sohd fence 3C 3f 3ffeet 3Cfeet feet high from New York almost tc tcSan tcSan tcSan San Francisco Enough unde under underground lindenground . ground conduit tor for cables to make make15 15 small tunnels straight througb through througbthe throughthe throughthe the earth from pole to pole |