Alto II CRAM Board (EXT MEM) circuit board
Xerox PARC (Palo Alto Research Center)
||Labeled as "PWB NO." This number is silk screened on component side
||Ink stamped on wiring side.
||Silk screened on component side
||Labeled as "ASSY NO."
overall: 1/2 in x 11 in x 7 3/8 in
There are significant voids in the green coating on the component side and minor voids on the wiring side.