Escpaments: the various kinds

Galileo Escapement Verge Escapement Cross-beat Escapement Anchor Escapement Deadbeat Escapement crown wheel with deadbeat Pin wheel Escapement Detent Escapement Side Oscillating Escapement Cylinder Escapement Duplex Escapement Lever Escapement Grasshopper Escapement: spring, twin and single pivot Gravity Escapement Co-axial Escapement Constant Escapement Sources Escapments — Wikipedia Escapments —


IO9 has some great photos and detail shots of medieval astronomical clocks.

thefuture of the present

What does it feel like to be present? How do we live in the moment? And here is another way to look at time. Still the same iconic round face and the central wheel turning. But this isn’t a daily once around the dial kind of clock. Nope! This clock goes around once a year! […]

The Long Now of a 10,000 Year Clock

Clock One: Winder & Main Differential from The Long Now Foundation on Vimeo. The Clock of the long now is one of the most beautiful examples of modern horological construction and technique. Built with very long timeframe it has no projected end date. This allows them to focus on the ideas and implementation and not […]

Antikythera Mechanism

Travel back in time 21 centuries and create a machine that not only shows the position of the sun & moon as well as the other planets in the sky for centuries to come, but also predicts solar eclipses as well. And do that before before the invention of the modern gear. More info: World’s […]

[BBC] Mechanical Marvels: Clockwork Dreams & Jaquet Droz

CLIP: The writer is a 240 year old analog computer. Built in Switzerland by Pierre Jaquet-Droz one of the greatest clockmakers it is the only surviving example of the time. This is the automata that inspired  the movie Hugo. LINK I just discovered this great BBC Program called Mechanical Marvels: Clockwork Dreams by Professor Simon […]

Perpetual Calendar Mechanism

Time to figure out all the bits and pieces of a perpetual calendar watch. So many bits and pieces! Wondering where to start? Here’s a great 1 page primer to get you started. See if you can remember all the names, then work on understanding functionality and calculation.