Box 606741457
Container
Contains 1 Result:
File
Files 389-396, 1949-57
Comprises file numbers:
389: valves, 1949-55
389/2: valve specification, 1952-7
389/4: crystal valves, 1952
396: SSB [single sideband] and crystal filters, 1951-6
Collection:
The Marconi Archives
Found in:
Archives of the Wireless Telegraph a…
/
Research, development and technical records
/
Chief of Research's files
Shelfmark: MS. Marconi 1035
Extents: 1 box
Dates:
1949-57