- Back
-
Title: Semaphore signal arm, upper quadrant, Southern Railway, call [Go to resource]
Description: Semaphore signal arm, upper quadrant, Southern Railway, calling on, corrugated. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: signal arm Source: Science Museum Identifier: 2002-7377 Go to resource More Like this...
[Edit] - Back