Automatic fire alarms. Kansas City Fire Chief George Hale is attributed to a wide range of firefighting inventions throughout his employment for 31 years in the late 1800s.

Lee's inventions brought well-deserved recognition, eventually earning revenue from rights assignments, associated royalties, and other forms of income.

How an 1800s Midwife Solved a Poisonous Mystery For decades before Doctor Anna’s discovery, “milk sickness” terrorized the Midwest, killing thousands of Americans on the frontier ...