Which of the following was first patented by an Australian in 1889?

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Which of the following was first patented by an Australian in 1889?



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1) Who invented the first controllable flying AEROPLANE (AIRPLANE)?

2) In which decade was the telephone invented?

3) Who invented the Spinning Jenny?

4) For what does the world owe Almon Strowger a debt of gratitude?

5) Which scientist discovered the radioactive element radium?

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