Title
Two Out Of Five self checking code unitCatalog Number
102741746Type
Physical objectDescription
The object is described as a relay based Number Five Crossbar Switching System demo unit.Date
Circa 1960s or earlierManufacturer
Bell Telephone Laboratories, Inc.Dimensions
overall: 10 3/4 in x 12 3/4 in x 20 3/4 inCategory
GameCredit
Gift of Mike DeBlasioLot Number
X7366.2015Related Records
102741435 | Backplate for Two Out Of Five self checking code unit |
102741436 | Information plate for Two Out Of Five self checking code unit |