science

By maryruth.dodes

  • bifocals

    bifocals

  • seed drill

    seed drill
  • Period: to

    science

    French C. Hopffer patents the fire extinguisher

  • piano

    piano

  • tuning fork

    tuning fork

  • steam ingine

    steam ingine

  • diving bell

    diving bell

  • French C. Hopffer patents the fire extinguisher

    French C. Hopffer patents the fire extinguisher
    French C. Hopffer patents the fire extinguisher

  • circulating library

    circulating library

  • John Kay invents the flying shuttle

    John Kay invents the flying shuttle

  • celcius thermomoter

    celcius thermomoter