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By gracesouerdyke
  • Paper
    105

    Paper

    China-from mulberry bark by Tsai Lunmade writing affordable
  • produced the geocentric model of the solar system.
    150

    produced the geocentric model of the solar system.

  • Gas Street Lighting
    300

    Gas Street Lighting

    Syria, in Caesarea (modern Israel)
  • lcohol (Whiskey)
    450

    lcohol (Whiskey)

    Europe-distilled in Ireland
  • Toilet Paper
    540

    Toilet Paper

    China
  • Earthquake Proof Buildings
    May 6, 600

    Earthquake Proof Buildings

    Byzantium, using metal sheets and braces
  • Grenades,
    May 6, 1000

    Grenades,

    filled with petrol / gasoline
  • Roman Arch constructions

    Roman Arch constructions

  • refutation of the theory of the transmutation of metals

    refutation of the theory of the transmutation of metals

  • Hospital

    Hospital

    with nurses, doctors and pharmacists
    in Baghdad-Arabia