Analog Computer Patch Board made by AMP Incorporated, housed in its original metal carrying case, 13.25 x 9.5 x 4, which is marked in felt tip on the front cover, “124YA0022-G2, For Test No. 2 of 124E400-13, Recovery Relay Box,” with the sides similarly marked as “124E400-13.” The cover can be removed to reveal a profusion of green, orange, red, and black wires, and the inside of the front cover contains an AMP parts label numbered “695217-2,” with a manufacturing date of “73-43.” The upper handle bears a DIT-MCO Incorporated parts label numbered “78-30010.” In fine condition, with light wear and scuffing.