1. Pneumatic Tyres   Thomas Alva Edison   Samuel Morse   John Boyd Dunlop   Michael Faraday   Hint Half-n-half Clue   2. Steam Engine (condenser)   James Watt   John Boyd Dunlop   Thomas Alva Edison   Fahrenheit   Half-n-half Clue   3. Safety Razor   Michael Faraday   Benjamin Franklin   King C. Gillette   James Watt   Half-n-half Clue   4. Waterproof Rubber   Charles Macintosh   Rudolf Diesel   Thomas Alva Edison   Michael Faraday   Half-n-half Clue   5. Movie Projector   James Watt   Thomas Alva Edison   Michael Faraday   Rudolf Diesel   Half-n-half Clue   6. Mercury Thermometer   John Logie Baird   Charles Goodyear   Fahrenheit   Rudolf Diesel   Half-n-half Clue   7. Electric Lamp   Benjamin Franklin   Michael Faraday   Orville and Wilbur Wright   Thomas Alva Edison   Half-n-half Clue