Brand: Van Dorn Plastic Machinery Co. / SCIRelay Components: 6x Original C.P. Clare International N.V. MRMD 15109 Mercury-Wetted Reed Relays (Made in Belgium)Logic Chips: Motorola H 102 DT / 505 1747L High-Threshold Logic (HTL) ICsInterface: Gold-plated male card-edge backplane chassis connection pins