Box 606740381
Container
Restricted
Contains 1 Result:
Product literature, 1939-50
File
Shelfmark: MSS. Marconi 1302-1303
Comprises:
MS. Marconi 1302, Marconi valves (application reports U-Z), 1939-1950
MS. Marconi 1303, Marconi valves (application reports VS-Z), c. 1940- c. 1950
Extents: 1 box
Dates:
1939-50