timeline

Battery

1799

Date: 1799
Inventor: Alessandro Volta
Invention: Battery

Stethoscope

1816

Date: 1816
Inventor: René Laënnec
Invention: Stethoscope

Telegraph; Date: 1837; Inventor: Samuel Morse; Invention: Telegraph

1837

Date: 1837
Inventor: Samuel Morse
Invention: Telegraph