1:40

Galileo's escapement

2:56

Escapement Mechanism

1:32

McDowel's single pin escapement

5:59

Gravity Powered Escapement Wheel.... Simple machine lesson

2:24

できた！＼(^o^)／

2:23

Walking Bob, An Acrobatic Gravity Escapement

2:06

Gravity Powered Motor Kinetic Sculpture

3:29

Wood Gear Ratchet