1. Movie Projector   Orville and Wilbur Wright   Thomas Alva Edison   Michael Faraday   Elisha G. Otis   Hint Half-n-half Clue   2. Waterproof Rubber   John Logie Baird   Alfred B. Nobel   Charles Macintosh   Michael Faraday   Half-n-half Clue   3. Vulcanised Rubber   King C. Gillette   Michael Faraday   Charles Goodyear   Thomas Alva Edison   Half-n-half Clue   4. Electric Generator   King C. Gillette   Sir Alexander Graham Bell   Michael Faraday   Fahrenheit   Half-n-half Clue   5. Gramophone   Thomas Alva Edison   Benjamin Franklin   Sir Alexander Graham Bell   John Logie Baird   Half-n-half Clue   6. Pneumatic Tyres   Elisha G. Otis   John Boyd Dunlop   Benjamin Franklin   Sir Alexander Graham Bell   Half-n-half Clue   7. Aeroplane   Thomas Alva Edison   Orville and Wilbur Wright   Samuel Morse   Sir Alexander Graham Bell   Half-n-half Clue