Semaphore Tower
Semaphore Tower (1923-1929) at HMNB Portsmouth, United Kingdom.
While the Admiralty had expirimented with semaphores, i.e. optical telegraphs since the 1790s, a permanent semaphore network linking London with Portsmouth was only completed in 1822. Signals were sent (or received) from a tower in the west of the dockyard which was destroyed in a fire in 1913. A rebuilt tower was opened in 1930 and is still in used by the Royal Naval Reserve.
Semaphore Tower
Semaphore Tower (1923-1929) at HMNB Portsmouth, United Kingdom.
While the Admiralty had expirimented with semaphores, i.e. optical telegraphs since the 1790s, a permanent semaphore network linking London with Portsmouth was only completed in 1822. Signals were sent (or received) from a tower in the west of the dockyard which was destroyed in a fire in 1913. A rebuilt tower was opened in 1930 and is still in used by the Royal Naval Reserve.