Letter describing Popham Semaphore Line addressed to George Spencer, second Earl Spencer

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

Manuscript, folded

Details

Extent:
210
130
Identifier:
MS/1937/1
Access:
The item is available for public consultation according to the Science Museum Library and Archives Policy.