Class VIII

What J. B. Dunlop invented?
  1. Pneumatic rubber tire
  2. Automobile wheel rim
  3. Rubber boot
  4. Model airplanes
What Henry Bessemer invented?
  1. Aluminum
  2. Electroplating
  3. Steel Converter
  4. Steel rolling mill
What Thomas Davenport invented?
  1. Screw propellor
  2. Electric streetcar
  3. Chesterfield
  4. Sleeping (railway) car
What Elisha Otis invented?
  1. The brake used in modern elevators
  2. Jet Engine
  3. Turbine
  4. Hydraulic Crane
What Benjamin Franklin invented?
  1. Bifocal spectacles
  2. Radio
  3. Barometer
  4. Hygrometer
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