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2 - During the gold rush days a look-out stationed where this picture was taken observed and signaled the arrival of incoming vessels. By adjusting movable arms high on a tall pole and by hoisting national colors, the look-out identified the nature of the ship arriving and alerted the town below. In 1853 this signaling system became obsolete through use of electrical telegraph. 06-Feb-2005 (CA - SanFrancisco)

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