Artifact Details

Title

SMS card

Catalog Number

102730151

Type

Physical object

Date

1959 ca.

Manufacturer

International Business Machines (IBM)

Identifying Numbers

Model number 5300007 Stamped in black on lower left edge of component side
Other number 5300507 Stamped in solder on top left edge of circuit side
Other number EC 249408 Stamped in black on lower left edge of component side

Dimensions

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

Description

There are 3 Standard Modular System (SMS) cards. They consist of transistors, transformers, capacitors, resistors and diodes. The card is pre-scored with 23 horizontal lines. There are also patterns of punched holes in the card for components. Many components are inserted vertically in lightweight copper component holders which also serves as a connector bus.

Category

Component/module

Credit

Gift of Paul Pierce

Lot Number

X7021.2014