This is a B155 module with a green board and a blue plastic extraction handle, attached by two rivets.The component side is marked with two inspection stamps: "Tested 001 A.M.T." and "Inspected 124". "HALF BINARY TO OCTYL DECODER B155 A" is printed on the solder side.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Other number
.01z50v
Found printed in black on round burnt orange component covering.