Artifact Details Title Plugboard for IBM 557 Catalog Number 102732552 Type Physical object Description Object is a plugboard for the IBM type 557 Interpreter. It has a few dozen short plug-wires in place. On the right is a Dymo label reading "COL. 61-80 LINE 3". Manufacturer International Business Machines (IBM) Identifying Numbers Model number 557 Printed bottom left of each half Other number 82-137-06A Handwritten in ink right side Other number 93-509-02 Handwritten in ink top left Dimensions overall: 11 1/2 in x 12 7/8 in x 2 1/4 in Category Memory & storage/connector / plugboard