This is a B104 module with a green board and a blue plastic extraction handle, attached by two rivets. The component side is marked with three inspection stamps. "INVERTER B 104C" is printed on the solder side.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
B104
Printed in white on face of extraction handle
Other number
8-66
Printed in solder parallel to edge
Part number
-3V-K-116
Printed in white on top of black rectangular component