Communication key card for Popham Semaphore

PART OF:
Collection of documents relating to the Portsmouth-to-Admiralty semaphore line designed by Sir Home Riggs Popham
part of archive:
Collection of documents relating to the Portsmouth-to-Admiralty semaphore line designed by Sir Home Riggs Popham

Includes a drawing of the semaphore on the reverse side

Details

Measurements:
130.00mm (height)
210.00mm (width)
Extent:
1 sheet
Identifier:
MS/1937/2
Access:
Open Access
rights:
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions

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