Letter

benedictemangala_Energy Timeline

By 9217541
  • The refrigerator was developed

    The refrigerator was developed

  • Commercial Production of Coal Begins

    Commercial Production of Coal Begins

  • First Battery built

  • Streetlights in Baltimore, Maryland

    Streetlights in Baltimore, Maryland

  • First Lighter

    First Lighter

  • Heat Pump invention by Lord Kevin

    Heat Pump invention by Lord Kevin

  • World's First Hydroelectric Power

  • First Gas Station

    First Gas Station

  • First Geothermal Power plant

    First Geothermal Power plant

  • Zero-Energy Bio Refrigerator

    Zero-Energy Bio Refrigerator

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