INVENTIONS

123456789101112
Across
  1. 1. the first... was designed by Ferdinand Verbiest
  2. 3. was invented 425 AD
  3. 7. Galileo built his own version in 1609
  4. 9. was invented by German inventor Hans Schwarzkopf
  5. 10. was invented 100BC
  6. 11. created in Estonia
  7. 12. invented 3300BC
Down
  1. 1. were invented 50,000 to 100,000 years ago
  2. 2. created bye Steve Jobs and Steve Wozniak
  3. 4. was invented in 1960s
  4. 5. discoverd in 1901
  5. 6. were used in East Asia in 1221
  6. 8. was invented around 650 to 600 BC