MACHINES. THE HISTORY OF MACHINES.

It uses the energy of steam to make engines work.
1. Steam engineer.
2. Printing press.
3. Radio.
A means of communication that tells us what is happening in the world.
1. Steam engineer.
2. Printing press.
3. Radio.
Before this invention, we wrote books by hand.
1. Steam engineer.
2. Printing press.
3. Radio.
We can reproduce books fast with this.
1. Steam engineer.
2. Printing press.
3. Radio.
Before this invention, we used animals, wind and water to move things.
1. Steam engineer.
2. Printing press.
3. Radio.