This is a B130 module with a green board and a blue plastic extraction handle attached by two rivets. The component side is marked with a square inspection stamp reading "Tested 6 A.M.T.2"; printed in red throughout the green board there are red "W"s. "3 BIT PARITY CIRCUIT B130A" is stamped on the solder side.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Other number
6-69
Stamped on the solder side of module parallel to extraction handle