This flip chip relay board has five yellow "Wheelock" components in the middle, and a blue connector at one end. There are three staples along one edge. "FLIP CHIP", which is printed backwards oon the solder side, can be read correctly through the green board on the component side.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Other number
12 VDC 52 68
Middle number found on yellow components
Other number
133-022-03
Printed in blue on blue metal connector
Other number
260 3A X4
SER. number printed on yellow components.
Other number
3,167,625
U.S. paper number found on bottom of yellow components.