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Communication Timeline . \:

Communication Timeline . :. By: Paige Copeland. 2400 BC. The abacus , the first known calculator, invented in Babylonia. 1280 . Eyeglasses were invented by Salvino D’armate. 1450.

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Communication Timeline . \:

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  1. CommunicationTimeline. \: By: Paige Copeland.

  2. 2400 BC • The abacus, the first known calculator, invented in Babylonia.

  3. 1280 • Eyeglasses were invented by SalvinoD’armate.

  4. 1450 • Johann Gutenberg invents a printing press using removable metal type.

  5. 1500 • Ball bearing invented by  Leonardo Da Vinci together with flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots.

  6. 1581 • Pendulum invented by Galileo.

  7. 1679 • Pressure cooker invented by Denis Papin.

  8. 1752 • Lightening rod invented by Benjamin Franklin.

  9. 1792 • Mechanical semaphore is invented in France.

  10. 1798 • Vaccination invented by Edward Jenner.

  11. 1826 • Photography invented by  Joseph NicephoreNiepce.

  12. 1869 • Mendeleev produces the Periodic Table.

  13. 1876 • Alexander Graham Bell invents the telephone, transmitting the sound of the voice clearly over electrical wires.

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