1. Steam Engine (condenser)   James Watt   Charles Macintosh   Rudolf Diesel   John Logie Baird   Hint Half-n-half Clue   2. Safety Razor   Charles Macintosh   Thomas Alva Edison   Michael Faraday   King C. Gillette   Half-n-half Clue   3. Television (mechanical)   John Logie Baird   Michael Faraday   Alfred B. Nobel   Sir Alexander Graham Bell   Half-n-half Clue   4. Aeroplane   Sir Alexander Graham Bell   Elisha G. Otis   Orville and Wilbur Wright   Thomas Alva Edison   Half-n-half Clue   5. Telephone   Sir Alexander Graham Bell   Rudolf Diesel   Samuel Morse   Michael Faraday   Half-n-half Clue   6. Telegraph Code   Fahrenheit   Thomas Alva Edison   Samuel Morse   Charles Macintosh   Half-n-half Clue   7. Transformer   Elisha G. Otis   Michael Faraday   Orville and Wilbur Wright   Benjamin Franklin   Half-n-half Clue