A more constant and forceful source of power Steam engine (1787) first used in boats; (1804) first used in locomotives than sails on ships or horse-drawn carriages. Steam engines powered ships and railroads. Method of getting quinine from cinchona tree bark (1820) Treatment for the disease malaria Electric telegraph (1837) Communication over long distances Bessemer process (1855) Quicker and cheaper method of manufacturing steel, which was lighter and more durable than iron Maxim gun (1884) First machine gun Repeating rifle (late 1800s) A fastër-loading gun that was able to fire multiple shots more accurately than older muskets

A more constant and forceful source of power Steam engine (1787) first used in boats; (1804) first used in locomotives than sails on ships or horse-drawn carriages. Steam engines powered ships and railroads. Method of getting quinine from cinchona tree bark (1820) Treatment for the disease malaria Electric telegraph (1837) Communication over long distances Bessemer process (1855) Quicker and cheaper method of manufacturing steel, which was lighter and more durable than iron Maxim gun (1884) First machine gun Repeating rifle (late 1800s) A fastër-loading gun that was able to fire multiple shots more accurately than older muskets