Inventions and Discoveries - 02

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Across
  1. 3. He invented the first efficient steam engine.
  2. 5. First name of the scientist who invented the technique of pasteurisation.
  3. 7. He discovered X-Rays.
  4. 9. He invented the four stroke engine that ran on petrol and diesel.
  5. 10. This instrument was invented by Rene Laenner, who used it listen to the sounds made by organs in the body.
Down
  1. 1. He combined two lenses to make the microscope.
  2. 2. Who invented the television in 1926?
  3. 4. A code to send messages using dots and dashes named after its inventor.
  4. 6. This 15-year old French student developed a code for blind people to read.
  5. 8. First name of Edison, the famous inventor of the light bulb.