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Technology in History

By cgrumb

  • Modern Pencil

    Modern Pencil
    The modern-day pencil was first invented in 1858. During this time, pencils did not have erasers attatched on the tip until Hymen Lipman decided to attatch them, to create our modern-day pencils.

  • Wristwatch

    Wristwatch
    The wristwatch was invented in 1868 and by a man named Patek Philippe.

  • Typewriter

    Typewriter
    The typewriter was successfully invented in 1868 by Christopher Sholes, Samuel Soule and Carlos Glidden.

  • Telephone

    Telephone
    The first telephone was invented March 10 of 1876 by inventor Alexander Graham Bell. Bell said “Mr. Watson, come here, I want you.” into his experimental telephone, making it the first sentance ever transmitted via electricity.

  • Radio

    Radio
    The radio was invented in 1897 by Edouard Branly.

  • Airplane

    Airplane
    The airplane was invented on December 17, 1903 by Orville and Wilbur Wright.

  • Refrigerator

    Refrigerator
    The refrigerator was invented by Fred Wolfe in 1913.

  • Microwave

    Microwave
    The microwave was invented by Percy Spencer and was first sold in 1947.

  • Battery-operated Smoke Detector

    Battery-operated Smoke Detector
    There are two types of smoke detectors - the photoelectric and the ionized smoke dectector but the first battery-operated smoke detector was invented August 5th, 1969 by Duane D. Pearsall.

  • Internet

    Internet
    Robert Kahn and Vint Cerf invented the internet, which can be traced back until 1958, but was first introduced to the public in the 90s.