Artifact Details

Title

Two Out Of Five self checking code unit

Catalog Number

102741746

Type

Physical object

Description

The object is described as a relay based Number Five Crossbar Switching System demo unit.

Date

Circa 1960s or earlier

Manufacturer

Bell Telephone Laboratories, Inc.

Dimensions

overall: 10 3/4 in x 12 3/4 in x 20 3/4 in

Category

Game

Credit

Gift of Mike DeBlasio

Lot Number

X7366.2015