Timeline

By leidy angel

  • the telescope

    the telescope
    if in 1608 Hans Lippershey had not invented the telescope nobody would know the location of many stars

  • the mercury thermometer

    the mercury thermometer
    if Daniel Gabriel Fahrenheit in 1714 had not discovered the mercury thermometer in Germany many people would have died of fever

  • The automobile

    The automobile
    if Nicholas Joseph Cugnot in 1770 had not invented the automobile in France in the world would not have so much pollution

  • The vaccine against smallpox

    The vaccine against smallpox
    if in 1796 Edward Jenner had not discovered the vaccine against smallpox many people would have died of this disease

  • The sewing machine

    The sewing machine
    If in 1829 Barthélemy Thimonnier had not invented the sewing machine in France many people would have lost their vision trying to thread needles

  • The revolver

    The revolver
    If in 1836 Samuel Colt had not invented the revolver in United States many people would not have died of gunshots

  • The antiseptic surgery

    The antiseptic surgery
    If in 1865 Joseph Lister British had not implemented theantiseptic surgery many people would have died in the operating room because of infections

  • discovery of x rays

    discovery of x rays
    if the physicist Wilhelm Conrad Röntgen had not discovered X rays in 1895 no one would have known when bones are broken

  • penicillin

    penicillin
    If Alexander Fleming had not discovered penicillin on September 28, 1928 many people would have died because of many infections

  • DNA double helix

    DNA double helix
    if in 1953 James Watson and Francis Crick had not discovered the double helix model of DNA to represent the three-dimensional structure of the DNA polymer would not have known the cause of many diseases