Artifact comprises 36 boxed & 1 unboxed wire relay. Original outer box has lot number and inscription: IBM Wire Contact Relalys. Size and weight are individual instances
Date
1944
Manufacturer
International Business Machines Corporation (IBM)
Identifying Numbers
Model number
11 instances boxed & marked 156920
Model number
156919
14 instances boxed & marked 156919 wrapped in computer paper
Model number
156921
6 instances boxed & marked 156921 wrapped in computer paper
