Solid Logic Technology (SLT) module carrier
International Business Machines Corporation (IBM)
||Stamped on the plastic and visible from the printed circuit side.
||B 1561365 A
||Printed on printed circuit side
||F 1561365 yB
||Printed in bronze on green substrate on pronged plastic side
overall: 1 1/2 in x 4 in x 3 in
This IBM SLT carrier has a small white stamp in the corner of the exposed green substrate on the plastic connector side.
SAP Collection, Computer History Museum