MargaretC
@margaretc
MargaretC
@margaretc
Using techniques he’s honed over a lifetime, Abernethy will machine the gears by hand in traditional materials such as steel and brass. But the pendulum will respond to the forest: When trees grow quickly, the hours will advance more rapidly; more lethargic growth will result in a slower tempo. Over centuries, the long-term fate of the canopy will be registered on a calendar that may deviate from the Gregorian date by decades or more.