Page 21 - eMuse Vol.9 No.05_Classical
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From the Overland Telegraph


            Line to the Mobile Phone                                The first pole of the Overland Telegraph line

                                                              tralia to South Australia completed in 1877.  When finished, the
           Slavishly  we  obey  the  small  gadget  demanding  our  attention   whole of Australia was connected to the rest of the world.
        with a ring, chosen song, or programmed sound.  We talk into it to   The  impact  of  the  Overland  Telegraph  Line  spread  beyond
        someone who could be as close as a few feet away or on the other   speeding communication.  Among other things, a flow-on effect
        side of the world.  Even though it is a technical marvel, few of us   meant it opened large areas of the inland to settlement.   Use of
        give the wonders of the mobile phone a second thought.   camels for transport proved reliable for years afterwards and gold
           There was a time when it took weeks and months to send a mes-  was discovered in places like Tennant Creek and Pine Creek.
        sage across the country and much longer overseas.  Then it took   Telegraph Lines served Australia’s communication needs until
        about the same amount of time to get back an answer in return.  Dis-  well into the twentieth century.  But even before telegraph had
        tance communication has come a long way from the days of smoke   reached its full potential and maximum distribution, people were
        signals, drums, messengers on foot, or, even hand written notes.  working on the magic wire’s potential to carry a human voice and
           Scientists and inventors world-wide worked on technology for a   others were working on radio waves to do the same thing.
        long time.  In 1844 electricity had been developed to a point that   In 1876 Alexander Graham Bell invented the telephone in the
        Samuel  Morse  and  Alfred  Vail  were  able  sent  the  historic  Morse   USA and from the 1890s experiments by various scientists led to
        Code message, “What hath God wrought!”  In a short time, tele-  the breakthrough of the invention of the radio attributed Italy’s
        graph systems spread like wildfire across America and then the rest   Guglielmo Marconi.
        of the world.                                           As these new inventions improved they eventually replaced the
           Australian colonies were quick to see it as a means to shatter the   telegraph altogether.  The first telephone exchanges in Australia
        tyranny of distance and isolation.  In under a decade telegraph ser-  opened in 1880 in Melbourne and Brisbane.  By 1887 every other
        vices were under construction here beginning with a line between   capital city here had followed suit.  In 1898 the Overland Telegraph
        Melbourne and Williamstown, Victoria.  Other colonies weren’t far   Line was upgraded so Australia could communicate with the rest of
        behind.  Even though we were not a nation then, all the colonies   the world by phone.  After repeated failures from 1859, Tasmania
        realised the potential value of a combined service connecting all   was finally connected to mainland Australia in 1936.  At the time it
        parts of  Australia to the rest of the world.         was the longest submarine cable in the world.
           Many proposals were presented but South Australia won the   In  the  meantime,  radio  technicians  weren’t  idle.    During  this
        contract to build what became the legendary Overland Telegraph   same  period  they  too  were  also  making  remarkable  progress.
        Line.  The route chosen was that taken by explorer John McDouall   Their technology began steadily replacing telegraph services.
        Stuart when he was eventually successful in crossing Australia from   Radio’s progress increased beyond its inventors’ wildest dreams
        South to North in 1862.                               from 4 October 1957 when the Soviet Union launched the world’s
           The project was approved in 1870 with Charles Todd appointed   first artificial satellite, Sputnik 1.  Since then, about 8,900 satellites
        as manager.  In spite of problems getting the line from Java to Dar-  from more than 40 countries have been launched. According to a
        win and problems building the Overland Telegraph Line itself, the   2018 estimate, some 5,000 remain in orbit.  Satellites make world
        Herculean tasks were completed in 1872.               wide radio transmissions an every day reality.
           The Overland Telegraph Line was 3,200 km long from Darwin to   From 2 October 1946 car phones appeared.  The concept was
        Port Augusta.  The line used 3600 poles and insulators.  There were   attractive but had limitations impeding their progress.  Earlier mod-
        11 repeater stations.  The whole project cost £239,588 ($479,176)   els  were not practical to remove from the vehicle as they weighed
        almost double the original budget.  It was a mammoth undertaking   a cumbersome 80 lbs.   They were limited in available frequencies
        to say the least.  Moving large numbers of working men and equip-  and range as not many areas were serviced.
        ment through such inhospitable desert is impressive at any time   The concept of the mobile phone was predicted as early as 1906
        but at this time much of it still remained unexplored making things   and during World War I the German military experimented with
        much more difficult.                                  phone systems on railways.  With varying levels of success science
           John  McDouall  Stuart  led  no  fewer  than  six  explorations  in   continued making steady progress until 1973 when Martin Cooper
        South Australia before eventually crossing the country on the lat-  of the Motorola Company made the first phone call from a hand
        ter. People take pride in the fact the Overland Telegraph Line only   held phone weighing 1.1 kg.  Since then the mobile phone has ad-
        took two years to build.  Some point out, in today’s world it would   vanced in leaps and bounds.
        take at least that long just to complete the paperwork to start.  So next time you use your mobile, spare a thought for those pio-
           A project equally challenging to the men and resources as with   neers who made the Overland Telegraph Line and paved the way
        the Overland Telegraph Line was the line connecting Western Aus-  to today’s ease of communication.  Look into the many legends.

        May  2020                                        eMuse                                               21
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