Inventions & Innovations

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Across
  1. 6. Book written by Vannoccio Biringuccio about gunpowder in the 1500s.
  2. 7. Gunpowder is created using sulfur, charcoal, and _______.
  3. 8. Military tactic involving one line of soldiers to shoot while the other lines reload.
  4. 10. Inventor of a more elongated, aerodynamic bullet in 1823.
Down
  1. 1. Trigger system involving a spring and flint to ignite gunpowder.
  2. 2. Inventor of of an early machine gun, fired 200 cartridges per minute; invented 1862.
  3. 3. Earliest type of cannon made in the late 14th century.
  4. 4. Unstable gunpowder originally used for cannons.
  5. 5. Trigger system involving a spring and a match to ignite gunpowder.
  6. 9. A firearm with a series of grooves inside the chamber to improve accuracy.