Box 606740089
Container
Contains 1 Result:
File
GPO licences to the company for wireless telegraphy, 1907-39
Includes handbooks for wireless telegraph operators working installations licensed by the Postmaster General, 1908-9.
Collection:
The Marconi Archives
Shelfmark: MS. Marconi 208
Extents: 1 box
Dates:
1907-39