Artifact Details

Title

SMS card

Catalog Number

102730078

Type

Physical object

Date

1959 ca.

Manufacturer

International Business Machines Corporation (IBM)

Identifying Numbers

Other number 243 Engraved on the component side of the board
Other number 491187 Printed with solder on the circuit side of the board
Other number EC 113094 Engraved on the component side of the board (engineering change order?)
Other number YBL10J UL 1 Engraved on the component side of the board
Part number 371140 Engraved on the component side of the board

Dimensions

overall: 3/8 in x 4 1/2 in x 2 5/8 in

Description

Three identical cards share this catalog number. The card is a 'DK--' card whose function is "P to P Line Terminator." The card consists of resistors, capacitors, jumpers, and two transistors.

Category

Component/module

Credit

Gift of Paul Pierce

Lot Number

X7021.2014