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Box 606740662

 Container

Restricted

Contains 1 Result:

File

HIS 193, HIS 194, Date not recorded at time of cataloguing

Comprises files: HIS 193: Technical - coherer, induction coil, magnetic detector, spark transmitter and other early equipments. HIS 194: The thermionic valve, 1934-73
Collection: The Marconi Archives
Shelfmark: MS. Marconi 1812
Extents: 1 box
Dates: Date not recorded at time of cataloguing