Buffer and/or gate printed circuit card
SDS Data Systems
||Marked as assy no. On component side.
||Printed on component side
||Stamped on wiring side
overall: 1/2 in x 4 1/4 in x 4 3/4 in
Thye object is a PC board. Printed on component side is "BUFFER AND/OR GATE" and "(c) SDS-65" and "BTIO".
SAP Collection, Computer History Museum