Box 606741268
Container
Restricted
Contains 1 Result:
Type numbers CG4-DF12A, 1921-c. 1935
File
Shelfmark: MS. Marconi 831
Comprises files for type numbers:
CG4 with AD43A/44A, 1934
D1A, c. 1935
DF12A, 1921
Extents: 1 box
Dates:
1921-c. 1935
The Marconi Archives
Archives of the Wireless Telegraph and Signal Company Ltd., Marconi's Wireless Telegraph Company Ltd., the Marconi Company Ltd., GEC-Marconi Electronics Ltd. and Marconi Electronic Systems Ltd.
Research, development and technical records
Working papers on and drafts of descriptive literature and operating instructions for equipment