Semaphore Signal Arm
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Science Museum Group
©The Board of Trustees of the Science Museum
Upper quadrant home signal arm.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1998-10483
- Measurements:
-
overall: 585 mm x 1580 mm x 490 mm,
- type:
- signal arm
- credit:
- Walker, Peter J
