BT22 Fast Buffer module
The record contains an SDS module with a handwritten sticker on the solder side reading"11/20/86: One of the 5 cards...perhaps overload of -8 volts".
Scientific Data Systems (SDS)
||Assy. no. found screen printed in white on the component side
||Found screen printed in white on the component side
overall: 1/2 in x 4 1/4 in x 4 7/8 in
Courtesy of Carnegie Mellon University