Ebb of a Spring Tide’s main feature is the Water Clock, a 65-foot scaffold-like sculpture built to mimic the Manhattan skyline and constructed with materials commonly used in industrial ...

The Canna Clock by ChronArte consists of a dozen glass tubes with 5.25 gallons of water, filling up as time passes and marked at 10-minute increments.

2) The Invention of Constant-Flow Water Clocks, more than 3,500 years ago: Incredibly, we can actually put a name to a person who claims credit for this: an inscription in the tomb of an Egyptian ...