Chief Scientist Demetrios Matsakis gives us a tour of the U.S. Naval Observatory's Time Services and explains where time comes from.
"La Machine à Ecrire le Temps" from Swiss watchmaker Jaquet Droz took nearly a decade to develop, with more than 1,200 intricately connected components; including 84 ball bearings, 50 cams and 9 belts. It costs nearly $350,000. What does it do? It writes out the time for you.
"When you make something as small and complex as a watch, you can't do a little and put it down and come back the next day and do a bit more. You work until you are exhausted, then pack it in for the night and start again the next day, always working to maximum capacity, or the watch wouldn't get done." [more inside]
The Richard Mille Planetarium-Tellurium - 10 years in the making and looking absolutely fabulous.
Marvin Schneider, New York City's Official Clock Master is responsible for keeping the giant public clocks of the five boroughs running smoothly; the beautiful photo essay with an accompanying interview is not to be missed for fans of giant gears & sprockets.
Timeshapes: The wooden clocks of Jim Borden. Suspended clocks. Table clocks. Wall clocks. His 30-foot clock. The clock making process. He's even listed in the Online Movement Catalog.
JJ Casalonga's Gallery of Odd Watches contains a number of rare and esoteric designs. Some are conventional but for being nearly transparent or made of wood, while others are truly bizarre and impractical. Is this what the timecube guy wears? Don't miss the Bolshevik counter-clockwise design.
The National Maritime Museum, Greenwich has some excellent online collections related to maritime history and technology, including telescopes, marine chronometers, sundials, and a whole lot more. Some stuff I've been looking at: John Harrison's chronometers (described in Dava Sobel's book Longitude), polyhedral sundials, and pocket globes.
A Master Watchmaker's Notebook. Fascinating, all of it.