Then to Now-The Radio

By emily davis

  • Hertzian Waves

    Hertzian Waves
    Heinrich Rudolf Hertz proved the theory that transmitted airborne electromagnetic waves can be used to make a radio produce sounds.

  • Transmissions Occur

    Transmissions Occur
    Professor William Henry Bragg of Adelaide University was able to send the first transmissions in conjunction with G. W. Shelby of Melbourne.

  • Improving Radio

    Improving Radio
    By now, Marconi has been producing several radio transmissions. He has managed to send them up to 2,100 miles away.

  • The Patent

    The Patent
    The U. S. Patent Office awarded Marconi a patent for the invention of the radio.

  • AWA Broadcast

    AWA Broadcast
    The first radio broadcast that produced music was presented privately by AWA, Amalgamated Wireless Australasia.

  • First Car Radio

    First Car Radio
    Galvin Manufacturing Corporation had a stock market drop, and Paul Galvin encouraged them to invent the first radio that could be added to vehicles.

  • Today's Radio

    Today's Radio
    After many years work, there has been many inventions and brands of radios added into history. Many people can even connect their phones to their radio by chord or wirelessly to play music. Radio's have improved tremendously.