Updated 8 May 2022.

The models described here have pendulums as a significant feature, but clocks are not included. For the underlying theory see: Les Pook. Understanding pendulums. A brief introduction. Dordrecht: Springer, 2011. For more information on a model click on the link or see the reference cited. For a video click on the YouTube link.

Double pendulum M 48 Double B
The International Meccanoman, 2012, (67), 17.

Twin-elliptic harmonograph M 46 Twin-elliptic 2

Blackburn harmonograph M 74 Blackburn A

14 Dec 20 B 2

Blackburn harmonograph as desk toy

Twin pendulum harmonograph M 80 Twin Pendulum B

Simple twin pendulum harmonograph M 81 Simple Twin Pendulum A


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: