1. Movie Projector   John Boyd Dunlop   Michael Faraday   Alfred B. Nobel   Thomas Alva Edison   Hint Half-n-half Clue   2. Electric Generator   Michael Faraday   John Boyd Dunlop   Benjamin Franklin   Charles Goodyear   Half-n-half Clue   3. Electric Lamp   Thomas Alva Edison   Michael Faraday   Samuel Morse   Benjamin Franklin   Half-n-half Clue   4. Transformer   Michael Faraday   Sir Alexander Graham Bell   Elisha G. Otis   John Boyd Dunlop   Half-n-half Clue   5. Lightning Conductor   Samuel Morse   James Watt   Charles Macintosh   Benjamin Franklin   Half-n-half Clue   6. Diesel Engine   Rudolf Diesel   Thomas Alva Edison   Charles Goodyear   John Boyd Dunlop   Half-n-half Clue   7. Gramophone   Alfred B. Nobel   Thomas Alva Edison   Rudolf Diesel   Charles Goodyear   Half-n-half Clue