Title
Information plate for Two Out Of Five self checking code unitCatalog Number
102741436Type
Physical objectDescription
The information plate illustrates the two out of five relay circuit that was widely used in the Bell System switching circuits.Date
Circa 1960sManufacturer
Bell LaboratoriesDimensions
overall: 1/2 in x 11 5/8 in x 17 inCategory
Ephemera/Commemorative itemCredit
Gift of Mike DeBlasioLot Number
X7366.2015
Related Records
| 102741435 | Backplate for Two Out Of Five self checking code unit |
| 102741746 | Two Out Of Five self checking code unit |