Tag archives: clock
Art Deco Clockwork
Art Deco clocks are special to me. As I write this, my mom has just passed “out of human time” and into the next realm at the age of 96. She was a great collector of clocks, especially those that reminded her of the city in which we were born: Chicago – acknowledged cradle of […]
Self-winding Atmos Clock
Imagine a clock that winds itself based on changes in atmospheric pressure. This clock doesn’t need a human. It winds itself with the help of a sealed bellows of ethyl chloride: when the temperature rises, the metal spring is condensed, when it falls, the metal spring expands, and the mainspring is wound. Because this clock […]
