Period

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A combined Semaphore and Light Railway Signal
ARP23A18_316

A combined Semaphore and Light Railway Signal

A Semaphore Signal on an American railroad
ARP23A18_314

A Semaphore Signal on an American railroad

A Dwarf Semaphore Signal and Split Switch on an American Railroad
ARP23A18_320

A Dwarf Semaphore Signal and Split Switch on an Am...

A Semaphore Signal on an American railroad
ARP23A18_319

A Semaphore Signal on an American railroad

War in Egypt, 1882.
ARP15A00_091

War in Egypt, 1882.