Box 606740379
Container
Restricted
Contains 1 Result:
Product literature, 1939-50
File
Shelfmark: MSS. Marconi 1299-1300
Comprises:
MS. Marconi 1299, Marconi valves (application reports E), 1946-1949
MS. Marconi 1300, Marconi valves (application reports K-T), 1939-1950
Extents: 1 box
Dates:
1939-50