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This illustration dates to the 1870s and shows the signal box on the North London Railway. The
UMG25A05_349

This illustration dates to the 1870s and shows the...

African askari at 2nd K.A.R. depot, Nairobi
UMG24A01_107

African askari at 2nd K.A.R. depot, Nairobi

Maritime semaphore installed in the Guzman el Bueno Castle
UMG21A06_116

Maritime semaphore installed in the Guzman el Buen...

Learning Semaphore Signalling
UMG20A21_397

Learning Semaphore Signalling

Railroad Train Signals
UMG20A17_447

Railroad Train Signals

Semaphore signalling, Palestine. A British officer of the Royal Corps of Signals uses semaphore
UMG12A14_022

Semaphore signalling, Palestine. A British officer...