Underwood 5: The extraordinary nature of banality

The Underwood 5 is one of the most successful typewriters in history.
Underwood built around 4 million of this model.
One on top of the other would be the double of the height of the International Space Station.
And it was used also by many famous people, Marlene Dietrich, Tom Waits, Margaret Mitchell, Carl Sandburg and others.

If you want to know more, you can watch this video.