Question:
Which is the invention year of Vacuum Tube?
Answer:
1904
Question:
Which is the invention year of Kaleidoscope?
Answer:
1817
Question:
Who invented the Flute?
Answer:
Theobald Boehm
Question:
Which is the invention year of Cash Register?
Answer:
1879
Question:
Where was the parachute invented?
Answer:
France
