-
William Cullen invented refrigeration
-
Started using lightning as an energy source
-
batteries were invented by Alessandro Volta
-
the heat pump was introduced
-
started using oil for energy
-
Alexander Graham Bell invented the telephone
-
-
Lester Allan Pelton invented the hydroelectric dam
-
people started using automobiles
-
Joseph John Thomson invented electrons
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.