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The lens on display in the center of this room is a fourth-order lens that was in the tower at Beavertail until it was replaced in 1991 by a rotating beacon. The lens can be open to allow visitors to see inside. Touching the glass prisms is…

This cast iron vent ball is typical of the standard vent balls used on Lighthouses. The purpose of the vent ball was to allow circulation of air up through the light tower through the lantern room and out through the bottom of the vent ball. A series…