Quiz Beagle, is that an oak tree?
Continuing our tour of Williamstown;

The timeball tower was built on Point Gellibrand from local bluestone. It replaced a wooden lighthouse.
Each day at 1pm, the ball was lowered, allowing ships off-shore to adjust their chronometers.
The building in the background is part of a ship-building complex which has existed on this site from the early days of settlement.