Artifact Details

Title

Wire contact relay

Catalog Number

102732335

Type

Physical object

Manufacturer

IBM

Identifying Numbers

Other number 170 On small white cloth label
Other number 93-528-01A Handwritten on info tag
Other number U186707E Printed on upper coil

Dimensions

overall: 1 in x 5 in x 7 in

Description

Object is a wire contact relay similar to the object 102688511. A handwritten unsigned note reads " This is an electrically actuated latch pick relay used in early electro-mechanical IBM computers for memory. This relay stored one bit of information. One coil set the bit on, the other set it off. Used in the early Stretch computer.".

Category

Component/relay