Umbrella

device · 1000 BC · Ancient world

A folding canopy on ribs.

What it is made of

Spoke — has part. Ribs hold the canopy.

Principles and materials it uses

Lever — uses. The folding mechanism is levers.
Wood — is made of. An umbrella’s frame is wooden or bamboo.
Silk — is made of. The canopy is made of silk.

Take Umbrella apart