179328 ⎘
Time-pieces using the position of the sun, moon or stars
Sub-classes:ASTRONOMICAL DISPLAY
#2Faux solar-driven clock
#3Running equation of time mechanism controlled by a differential device
#4Running equation of time mechanism controlled by a differential device
#5Information display device, information display method, and storage medium
#6Timepiece with rotating moon and earth displays
#7Rock fashionable calendar horologe
#8METHOD AND DEVICE FOR CELESTIAL TIME KEEPING
#9System and method for monitoring galactic time