Box 606740297
Container
Contains 1 Result:
File
All classes, but appears to cover different patent numbers, Date not recorded at time of cataloguing
Collection:
The Marconi Archives
Found in:
Archives of the Wireless Telegraph a…
/
Legal records
/
Patents and trademarks
/
Classified indexes of patents
/
Classification system used to c. 1961
Shelfmark: MS. Marconi 468
Extents: 1 volume
Dates:
Date not recorded at time of cataloguing