Siege tower
device · 900 BC · Ancient world
A tower on wheels for storming walls.
What it is made of
- Wheel — has part. On wheels.
Principles and materials it uses
- Wood — is made of. Siege towers were built of wood.
- Leather — is made of. They were covered with raw hides against fire.
What it is a kind of
- Combat vehicle — is a kind of. A combat vehicle.
Things built in a similar way
- Tank — works like. An armoured mobile shelter and platform for attacking fortifications.