Page 31 - (DK Eyewitness) Travel Guide - Scotland
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A  POR TR AIT  OF  SC O TLAND      29



                                        Spray nozzle

                                   Steam generator



                               Antiseptic (Joseph Lister,
                              1865) in the form of carbolic
                               acid was a most important
       Colour photography (1861) was   breakthrough in surgery.
       developed by the Scottish physicist   Lister discovered that,
       James C Maxwell. The first to experi­  applied to wounds and
       ment with three­colour photography,   sprayed around the theatre,
       he photographed this tartan ribbon   the acid helped to prevent
       using coloured water as a filter.  germs and infection.
                                                    Carbolic acid reservoir
                                                     The telephone
               The thermos flask (Sir                (Alexander Graham
               James Dewar, 1892)                    Bell, 1876) was the
               was first designed as                 scientific break­
               a vacuum for storing                  through that
               low­temperature                       revolutionized the
               gases. The flask was                  way the world
               later mass­produced                   communicated,
               as the thermos, for                   introducing the
               maintaining the                       transmission of
               temperature of hot                    sound by electricity.
               and cold drinks.

                                 The radar receiver
                                (Robert Watson­Watt,
                                  1935) was in use
                               long be  fore World War
                               II, since Watson­Watt’s
                               team had built the first
       Penicillin (Alexander Fleming, 1928) is   working radar defence
       a discovery that has changed the face   system by 1935.
       of medicine. Fleming’s brainchild was   Radar is an acronym
       the first antibiotic drug to treat   for “radio detection
       diseases, and by 1940 it was being used   and ranging”.
       to save the lives of wounded soldiers.












        The first television (John Logie Baird, 1926), or
        “televisor”, was black and white, and unable to   Dolly the cloned sheep was created in
        produce sound and pictures together, but it was   1996 by a team of scientists at
        nevertheless hailed as a monumental invention. In   Edinburgh’s Roslin Institute. Dolly, the
        1928, Baird demon strated the possibilities of   first successful clone of an adult animal
        creating colour images.           in the world, gave birth in 1998.





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