<P> The invention of the television was the work of many individuals in the late 19th century and early 20th century . Individuals and corporations competed in various parts of the world to deliver a device that superseded previous technology . Many were compelled to capitalize on the invention and make profit, while some wanted to change the world through visual and audio communication technology . </P> <P> Facsimile transmission systems pioneered methods of mechanically scanning graphics in the early 19th century . The Scottish inventor Alexander Bain introduced the facsimile machine between 1843 and 1846 . The English physicist Frederick Bakewell demonstrated a working laboratory version in 1851 . The first practical facsimile system, working on telegraph lines, was developed and put into service by the Italian priest Giovanni Caselli from 1856 onward . </P>

Who invented the television and in which year
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